Home / 8,501,331.31-12,744,446.85-3,312,739.52

Finding the Fourth Proportional to 8,501,331.31, 12,744,446.85 and 3,312,739.52

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Solution

The fourth proportional to 8,501,331.31, 12,744,446.85 and 3,312,739.52 is: 4,966,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,331.31 : 12,744,446.85 = 3,312,739.52 : x
  2. Step 2: Convert to fraction form
    8,501,331.31/12,744,446.85 = 3,312,739.52/x
  3. Step 3: Cross multiply
    8,501,331.31x = 12,744,446.85 × 3,312,739.52
  4. Step 4: Simplify right side
    8,501,331.31x = 42,219,032,724,603.95
  5. Step 5: Solve for x
    x = 42,219,032,724,603.95/8,501,331.31
  6. Step 6: Final answer
    x = 4,966,167.20

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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.