Home / 20,225,065.10-30,337,597.65-13,422,620.30

Finding the Fourth Proportional to 20,225,065.10, 30,337,597.65 and 13,422,620.30

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Solution

The fourth proportional to 20,225,065.10, 30,337,597.65 and 13,422,620.30 is: 20,133,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225,065.10 : 30,337,597.65 = 13,422,620.30 : x
  2. Step 2: Convert to fraction form
    20,225,065.10/30,337,597.65 = 13,422,620.30/x
  3. Step 3: Cross multiply
    20,225,065.10x = 30,337,597.65 × 13,422,620.30
  4. Step 4: Simplify right side
    20,225,065.10x = 407,210,054,070,122.31
  5. Step 5: Solve for x
    x = 407,210,054,070,122.31/20,225,065.10
  6. Step 6: Final answer
    x = 20,133,930.45

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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.