Home / 13,123,592.64-18,110,990.40-7,616,551.68

Finding the Fourth Proportional to 13,123,592.64, 18,110,990.40 and 7,616,551.68

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Solution

The fourth proportional to 13,123,592.64, 18,110,990.40 and 7,616,551.68 is: 10,511,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123,592.64 : 18,110,990.40 = 7,616,551.68 : x
  2. Step 2: Convert to fraction form
    13,123,592.64/18,110,990.40 = 7,616,551.68/x
  3. Step 3: Cross multiply
    13,123,592.64x = 18,110,990.40 × 7,616,551.68
  4. Step 4: Simplify right side
    13,123,592.64x = 137,943,294,357,583.86
  5. Step 5: Solve for x
    x = 137,943,294,357,583.86/13,123,592.64
  6. Step 6: Final answer
    x = 10,511,092.36

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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.