Home / 38,665,152.90-57,995,886.15-13,103,655.30

Finding the Fourth Proportional to 38,665,152.90, 57,995,886.15 and 13,103,655.30

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Solution

The fourth proportional to 38,665,152.90, 57,995,886.15 and 13,103,655.30 is: 19,654,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665,152.90 : 57,995,886.15 = 13,103,655.30 : x
  2. Step 2: Convert to fraction form
    38,665,152.90/57,995,886.15 = 13,103,655.30/x
  3. Step 3: Cross multiply
    38,665,152.90x = 57,995,886.15 × 13,103,655.30
  4. Step 4: Simplify right side
    38,665,152.90x = 759,958,100,927,644.12
  5. Step 5: Solve for x
    x = 759,958,100,927,644.12/38,665,152.90
  6. Step 6: Final answer
    x = 19,654,858.29

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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.