Home / 52,689,360.18-72,712,178-28,846,589.63

Finding the Fourth Proportional to 52,689,360.18, 72,712,178 and 28,846,589.63

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Solution

The fourth proportional to 52,689,360.18, 72,712,178 and 28,846,589.63 is: 39,808,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,689,360.18 : 72,712,178 = 28,846,589.63 : x
  2. Step 2: Convert to fraction form
    52,689,360.18/72,712,178 = 28,846,589.63/x
  3. Step 3: Cross multiply
    52,689,360.18x = 72,712,178 × 28,846,589.63
  4. Step 4: Simplify right side
    52,689,360.18x = 2,097,498,359,869,514
  5. Step 5: Solve for x
    x = 2,097,498,359,869,514/52,689,360.18
  6. Step 6: Final answer
    x = 39,808,765.05

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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.