Home / 42,042,155.60-63,063,233.40-11,750,018.60

Finding the Fourth Proportional to 42,042,155.60, 63,063,233.40 and 11,750,018.60

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Solution

The fourth proportional to 42,042,155.60, 63,063,233.40 and 11,750,018.60 is: 17,625,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,042,155.60 : 63,063,233.40 = 11,750,018.60 : x
  2. Step 2: Convert to fraction form
    42,042,155.60/63,063,233.40 = 11,750,018.60/x
  3. Step 3: Cross multiply
    42,042,155.60x = 63,063,233.40 × 11,750,018.60
  4. Step 4: Simplify right side
    42,042,155.60x = 740,994,165,426,141.25
  5. Step 5: Solve for x
    x = 740,994,165,426,141.25/42,042,155.60
  6. Step 6: Final answer
    x = 17,625,027.90

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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.