Home / 40,423,710.60-60,638,190.30-21,291,834.60

Finding the Fourth Proportional to 40,423,710.60, 60,638,190.30 and 21,291,834.60

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Solution

The fourth proportional to 40,423,710.60, 60,638,190.30 and 21,291,834.60 is: 31,939,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423,710.60 : 60,638,190.30 = 21,291,834.60 : x
  2. Step 2: Convert to fraction form
    40,423,710.60/60,638,190.30 = 21,291,834.60/x
  3. Step 3: Cross multiply
    40,423,710.60x = 60,638,190.30 × 21,291,834.60
  4. Step 4: Simplify right side
    40,423,710.60x = 1,291,098,318,310,924.50
  5. Step 5: Solve for x
    x = 1,291,098,318,310,924.50/40,423,710.60
  6. Step 6: Final answer
    x = 31,939,134.21

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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.