Home / 29,068,659.40-40,114,379.06-15,838,387.72

Finding the Fourth Proportional to 29,068,659.40, 40,114,379.06 and 15,838,387.72

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Solution

The fourth proportional to 29,068,659.40, 40,114,379.06 and 15,838,387.72 is: 21,856,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,068,659.40 : 40,114,379.06 = 15,838,387.72 : x
  2. Step 2: Convert to fraction form
    29,068,659.40/40,114,379.06 = 15,838,387.72/x
  3. Step 3: Cross multiply
    29,068,659.40x = 40,114,379.06 × 15,838,387.72
  4. Step 4: Simplify right side
    29,068,659.40x = 635,347,088,699,329.25
  5. Step 5: Solve for x
    x = 635,347,088,699,329.25/29,068,659.40
  6. Step 6: Final answer
    x = 21,856,772.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.