Home / 28,744,045.60-43,011,092.40-21,185,773.60

Finding the Fourth Proportional to 28,744,045.60, 43,011,092.40 and 21,185,773.60

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Solution

The fourth proportional to 28,744,045.60, 43,011,092.40 and 21,185,773.60 is: 31,701,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744,045.60 : 43,011,092.40 = 21,185,773.60 : x
  2. Step 2: Convert to fraction form
    28,744,045.60/43,011,092.40 = 21,185,773.60/x
  3. Step 3: Cross multiply
    28,744,045.60x = 43,011,092.40 × 21,185,773.60
  4. Step 4: Simplify right side
    28,744,045.60x = 911,223,265,875,080.62
  5. Step 5: Solve for x
    x = 911,223,265,875,080.62/28,744,045.60
  6. Step 6: Final answer
    x = 31,701,287.93

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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.