Home / 10,977,831.16-15,144,439.01-6,625,526.20

Finding the Fourth Proportional to 10,977,831.16, 15,144,439.01 and 6,625,526.20

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Solution

The fourth proportional to 10,977,831.16, 15,144,439.01 and 6,625,526.20 is: 9,140,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977,831.16 : 15,144,439.01 = 6,625,526.20 : x
  2. Step 2: Convert to fraction form
    10,977,831.16/15,144,439.01 = 6,625,526.20/x
  3. Step 3: Cross multiply
    10,977,831.16x = 15,144,439.01 × 6,625,526.20
  4. Step 4: Simplify right side
    10,977,831.16x = 100,339,877,363,419.69
  5. Step 5: Solve for x
    x = 100,339,877,363,419.69/10,977,831.16
  6. Step 6: Final answer
    x = 9,140,227.79

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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.