Home / 13,219,592.64-19,828,974.16-7,273,337.28

Finding the Fourth Proportional to 13,219,592.64, 19,828,974.16 and 7,273,337.28

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Solution

The fourth proportional to 13,219,592.64, 19,828,974.16 and 7,273,337.28 is: 10,909,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219,592.64 : 19,828,974.16 = 7,273,337.28 : x
  2. Step 2: Convert to fraction form
    13,219,592.64/19,828,974.16 = 7,273,337.28/x
  3. Step 3: Cross multiply
    13,219,592.64x = 19,828,974.16 × 7,273,337.28
  4. Step 4: Simplify right side
    13,219,592.64x = 144,222,816,982,084.69
  5. Step 5: Solve for x
    x = 144,222,816,982,084.69/13,219,592.64
  6. Step 6: Final answer
    x = 10,909,777.70

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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.