Home / 21,277,276.20-31,915,914.30-14,474,831.40

Finding the Fourth Proportional to 21,277,276.20, 31,915,914.30 and 14,474,831.40

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Solution

The fourth proportional to 21,277,276.20, 31,915,914.30 and 14,474,831.40 is: 21,712,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277,276.20 : 31,915,914.30 = 14,474,831.40 : x
  2. Step 2: Convert to fraction form
    21,277,276.20/31,915,914.30 = 14,474,831.40/x
  3. Step 3: Cross multiply
    21,277,276.20x = 31,915,914.30 × 14,474,831.40
  4. Step 4: Simplify right side
    21,277,276.20x = 461,977,478,469,349.06
  5. Step 5: Solve for x
    x = 461,977,478,469,349.06/21,277,276.20
  6. Step 6: Final answer
    x = 21,712,247.10

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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.