Home / 40,762,766.21-61,182,457.70-21,345,928.92

Finding the Fourth Proportional to 40,762,766.21, 61,182,457.70 and 21,345,928.92

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Solution

The fourth proportional to 40,762,766.21, 61,182,457.70 and 21,345,928.92 is: 32,038,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,762,766.21 : 61,182,457.70 = 21,345,928.92 : x
  2. Step 2: Convert to fraction form
    40,762,766.21/61,182,457.70 = 21,345,928.92/x
  3. Step 3: Cross multiply
    40,762,766.21x = 61,182,457.70 × 21,345,928.92
  4. Step 4: Simplify right side
    40,762,766.21x = 1,305,996,393,108,377.25
  5. Step 5: Solve for x
    x = 1,305,996,393,108,377.25/40,762,766.21
  6. Step 6: Final answer
    x = 32,038,954.04

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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.