Home / 19,934,981.60-29,902,472.40-9,857,285.60

Finding the Fourth Proportional to 19,934,981.60, 29,902,472.40 and 9,857,285.60

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Solution

The fourth proportional to 19,934,981.60, 29,902,472.40 and 9,857,285.60 is: 14,785,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934,981.60 : 29,902,472.40 = 9,857,285.60 : x
  2. Step 2: Convert to fraction form
    19,934,981.60/29,902,472.40 = 9,857,285.60/x
  3. Step 3: Cross multiply
    19,934,981.60x = 29,902,472.40 × 9,857,285.60
  4. Step 4: Simplify right side
    19,934,981.60x = 294,757,210,592,917.44
  5. Step 5: Solve for x
    x = 294,757,210,592,917.44/19,934,981.60
  6. Step 6: Final answer
    x = 14,785,928.40

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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.