Home / 20,225,117.10-30,337,675.65-13,422,672.30

Finding the Fourth Proportional to 20,225,117.10, 30,337,675.65 and 13,422,672.30

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Solution

The fourth proportional to 20,225,117.10, 30,337,675.65 and 13,422,672.30 is: 20,134,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225,117.10 : 30,337,675.65 = 13,422,672.30 : x
  2. Step 2: Convert to fraction form
    20,225,117.10/30,337,675.65 = 13,422,672.30/x
  3. Step 3: Cross multiply
    20,225,117.10x = 30,337,675.65 × 13,422,672.30
  4. Step 4: Simplify right side
    20,225,117.10x = 407,212,678,593,639.50
  5. Step 5: Solve for x
    x = 407,212,678,593,639.50/20,225,117.10
  6. Step 6: Final answer
    x = 20,134,008.45

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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.