Home / 13,545,560.59-18,692,886.40-7,744,463.81

Finding the Fourth Proportional to 13,545,560.59, 18,692,886.40 and 7,744,463.81

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Solution

The fourth proportional to 13,545,560.59, 18,692,886.40 and 7,744,463.81 is: 10,687,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,560.59 : 18,692,886.40 = 7,744,463.81 : x
  2. Step 2: Convert to fraction form
    13,545,560.59/18,692,886.40 = 7,744,463.81/x
  3. Step 3: Cross multiply
    13,545,560.59x = 18,692,886.40 × 7,744,463.81
  4. Step 4: Simplify right side
    13,545,560.59x = 144,766,382,186,513.91
  5. Step 5: Solve for x
    x = 144,766,382,186,513.91/13,545,560.59
  6. Step 6: Final answer
    x = 10,687,367.37

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1.5x scale

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.