Home / 51,852,841.28-71,557,671.68-28,648,502.40

Finding the Fourth Proportional to 51,852,841.28, 71,557,671.68 and 28,648,502.40

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Solution

The fourth proportional to 51,852,841.28, 71,557,671.68 and 28,648,502.40 is: 39,535,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,852,841.28 : 71,557,671.68 = 28,648,502.40 : x
  2. Step 2: Convert to fraction form
    51,852,841.28/71,557,671.68 = 28,648,502.40/x
  3. Step 3: Cross multiply
    51,852,841.28x = 71,557,671.68 × 28,648,502.40
  4. Step 4: Simplify right side
    51,852,841.28x = 2,050,020,128,862,892.25
  5. Step 5: Solve for x
    x = 2,050,020,128,862,892.25/51,852,841.28
  6. Step 6: Final answer
    x = 39,535,348.08

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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.