Home / 12,232,335.72-18,348,561.90-3,712,746

Finding the Fourth Proportional to 12,232,335.72, 18,348,561.90 and 3,712,746

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Solution

The fourth proportional to 12,232,335.72, 18,348,561.90 and 3,712,746 is: 5,569,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232,335.72 : 18,348,561.90 = 3,712,746 : x
  2. Step 2: Convert to fraction form
    12,232,335.72/18,348,561.90 = 3,712,746/x
  3. Step 3: Cross multiply
    12,232,335.72x = 18,348,561.90 × 3,712,746
  4. Step 4: Simplify right side
    12,232,335.72x = 68,123,549,799,977.39
  5. Step 5: Solve for x
    x = 68,123,549,799,977.39/12,232,335.72
  6. Step 6: Final answer
    x = 5,569,136.70

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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.