Home / 28,328,687.60-42,493,031.40-25,966,727.60

Finding the Fourth Proportional to 28,328,687.60, 42,493,031.40 and 25,966,727.60

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Solution

The fourth proportional to 28,328,687.60, 42,493,031.40 and 25,966,727.60 is: 38,950,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328,687.60 : 42,493,031.40 = 25,966,727.60 : x
  2. Step 2: Convert to fraction form
    28,328,687.60/42,493,031.40 = 25,966,727.60/x
  3. Step 3: Cross multiply
    28,328,687.60x = 42,493,031.40 × 25,966,727.60
  4. Step 4: Simplify right side
    28,328,687.60x = 1,103,404,971,262,046.62
  5. Step 5: Solve for x
    x = 1,103,404,971,262,046.62/28,328,687.60
  6. Step 6: Final answer
    x = 38,950,091.40

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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.