Home / 52,689,473.88-72,712,335.15-28,846,703.52

Finding the Fourth Proportional to 52,689,473.88, 72,712,335.15 and 28,846,703.52

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Solution

The fourth proportional to 52,689,473.88, 72,712,335.15 and 28,846,703.52 is: 39,808,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,689,473.88 : 72,712,335.15 = 28,846,703.52 : x
  2. Step 2: Convert to fraction form
    52,689,473.88/72,712,335.15 = 28,846,703.52/x
  3. Step 3: Cross multiply
    52,689,473.88x = 72,712,335.15 × 28,846,703.52
  4. Step 4: Simplify right side
    52,689,473.88x = 2,097,511,174,318,924.75
  5. Step 5: Solve for x
    x = 2,097,511,174,318,924.75/52,689,473.88
  6. Step 6: Final answer
    x = 39,808,922.35

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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.