Home / 29,123,456.80-43,685,185.20-8,926,074.40

Finding the Fourth Proportional to 29,123,456.80, 43,685,185.20 and 8,926,074.40

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Solution

The fourth proportional to 29,123,456.80, 43,685,185.20 and 8,926,074.40 is: 13,389,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123,456.80 : 43,685,185.20 = 8,926,074.40 : x
  2. Step 2: Convert to fraction form
    29,123,456.80/43,685,185.20 = 8,926,074.40/x
  3. Step 3: Cross multiply
    29,123,456.80x = 43,685,185.20 × 8,926,074.40
  4. Step 4: Simplify right side
    29,123,456.80x = 389,937,213,272,978.94
  5. Step 5: Solve for x
    x = 389,937,213,272,978.94/29,123,456.80
  6. Step 6: Final answer
    x = 13,389,111.60

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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.