Home / 13,545,896.58-18,693,349.90-7,744,799.78

Finding the Fourth Proportional to 13,545,896.58, 18,693,349.90 and 7,744,799.78

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Solution

The fourth proportional to 13,545,896.58, 18,693,349.90 and 7,744,799.78 is: 10,687,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,896.58 : 18,693,349.90 = 7,744,799.78 : x
  2. Step 2: Convert to fraction form
    13,545,896.58/18,693,349.90 = 7,744,799.78/x
  3. Step 3: Cross multiply
    13,545,896.58x = 18,693,349.90 × 7,744,799.78
  4. Step 4: Simplify right side
    13,545,896.58x = 144,776,252,192,983
  5. Step 5: Solve for x
    x = 144,776,252,192,983/13,545,896.58
  6. Step 6: Final answer
    x = 10,687,830.91

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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.