Home / 20,225,519.10-30,338,278.65-13,423,074.30

Finding the Fourth Proportional to 20,225,519.10, 30,338,278.65 and 13,423,074.30

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Solution

The fourth proportional to 20,225,519.10, 30,338,278.65 and 13,423,074.30 is: 20,134,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225,519.10 : 30,338,278.65 = 13,423,074.30 : x
  2. Step 2: Convert to fraction form
    20,225,519.10/30,338,278.65 = 13,423,074.30/x
  3. Step 3: Cross multiply
    20,225,519.10x = 30,338,278.65 × 13,423,074.30
  4. Step 4: Simplify right side
    20,225,519.10x = 407,232,968,453,053.69
  5. Step 5: Solve for x
    x = 407,232,968,453,053.69/20,225,519.10
  6. Step 6: Final answer
    x = 20,134,611.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.