Home / 31,214,437.20-46,814,657.40-20,506,885.20

Finding the Fourth Proportional to 31,214,437.20, 46,814,657.40 and 20,506,885.20

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Solution

The fourth proportional to 31,214,437.20, 46,814,657.40 and 20,506,885.20 is: 30,755,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,214,437.20 : 46,814,657.40 = 20,506,885.20 : x
  2. Step 2: Convert to fraction form
    31,214,437.20/46,814,657.40 = 20,506,885.20/x
  3. Step 3: Cross multiply
    31,214,437.20x = 46,814,657.40 × 20,506,885.20
  4. Step 4: Simplify right side
    31,214,437.20x = 960,022,804,979,130.38
  5. Step 5: Solve for x
    x = 960,022,804,979,130.38/31,214,437.20
  6. Step 6: Final answer
    x = 30,755,730.08

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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.