Home / 36,403,780.87-54,605,875.44-12,142,641.17

Finding the Fourth Proportional to 36,403,780.87, 54,605,875.44 and 12,142,641.17

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Solution

The fourth proportional to 36,403,780.87, 54,605,875.44 and 12,142,641.17 is: 18,214,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403,780.87 : 54,605,875.44 = 12,142,641.17 : x
  2. Step 2: Convert to fraction form
    36,403,780.87/54,605,875.44 = 12,142,641.17/x
  3. Step 3: Cross multiply
    36,403,780.87x = 54,605,875.44 × 12,142,641.17
  4. Step 4: Simplify right side
    36,403,780.87x = 663,059,550,938,249.88
  5. Step 5: Solve for x
    x = 663,059,550,938,249.88/36,403,780.87
  6. Step 6: Final answer
    x = 18,214,029.84

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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.