Home / 10,972,831.40-16,459,247.10-7,146,456.20

Finding the Fourth Proportional to 10,972,831.40, 16,459,247.10 and 7,146,456.20

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Solution

The fourth proportional to 10,972,831.40, 16,459,247.10 and 7,146,456.20 is: 10,719,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972,831.40 : 16,459,247.10 = 7,146,456.20 : x
  2. Step 2: Convert to fraction form
    10,972,831.40/16,459,247.10 = 7,146,456.20/x
  3. Step 3: Cross multiply
    10,972,831.40x = 16,459,247.10 × 7,146,456.20
  4. Step 4: Simplify right side
    10,972,831.40x = 117,625,288,485,127.02
  5. Step 5: Solve for x
    x = 117,625,288,485,127.02/10,972,831.40
  6. Step 6: Final answer
    x = 10,719,684.30

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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.