Home / 7,147,931.27-9,864,221.34-3,884,746.15

Finding the Fourth Proportional to 7,147,931.27, 9,864,221.34 and 3,884,746.15

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Solution

The fourth proportional to 7,147,931.27, 9,864,221.34 and 3,884,746.15 is: 5,360,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,931.27 : 9,864,221.34 = 3,884,746.15 : x
  2. Step 2: Convert to fraction form
    7,147,931.27/9,864,221.34 = 3,884,746.15/x
  3. Step 3: Cross multiply
    7,147,931.27x = 9,864,221.34 × 3,884,746.15
  4. Step 4: Simplify right side
    7,147,931.27x = 38,319,995,895,176.50
  5. Step 5: Solve for x
    x = 38,319,995,895,176.50/7,147,931.27
  6. Step 6: Final answer
    x = 5,360,991.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.