Home / 20,373,357.10-30,549,538.05-7,587,280.30

Finding the Fourth Proportional to 20,373,357.10, 30,549,538.05 and 7,587,280.30

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Solution

The fourth proportional to 20,373,357.10, 30,549,538.05 and 7,587,280.30 is: 11,377,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373,357.10 : 30,549,538.05 = 7,587,280.30 : x
  2. Step 2: Convert to fraction form
    20,373,357.10/30,549,538.05 = 7,587,280.30/x
  3. Step 3: Cross multiply
    20,373,357.10x = 30,549,538.05 × 7,587,280.30
  4. Step 4: Simplify right side
    20,373,357.10x = 231,787,908,220,865.41
  5. Step 5: Solve for x
    x = 231,787,908,220,865.41/20,373,357.10
  6. Step 6: Final answer
    x = 11,377,011.02

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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.