Home / 40,747,070.70-61,191,464.85-21,615,194.70

Finding the Fourth Proportional to 40,747,070.70, 61,191,464.85 and 21,615,194.70

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Solution

The fourth proportional to 40,747,070.70, 61,191,464.85 and 21,615,194.70 is: 32,460,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,747,070.70 : 61,191,464.85 = 21,615,194.70 : x
  2. Step 2: Convert to fraction form
    40,747,070.70/61,191,464.85 = 21,615,194.70/x
  3. Step 3: Cross multiply
    40,747,070.70x = 61,191,464.85 × 21,615,194.70
  4. Step 4: Simplify right side
    40,747,070.70x = 1,322,665,426,710,956.25
  5. Step 5: Solve for x
    x = 1,322,665,426,710,956.25/40,747,070.70
  6. Step 6: Final answer
    x = 32,460,380.68

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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.