Home / 13,005,845.60-19,487,773.20-8,204,943.20

Finding the Fourth Proportional to 13,005,845.60, 19,487,773.20 and 8,204,943.20

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Solution

The fourth proportional to 13,005,845.60, 19,487,773.20 and 8,204,943.20 is: 12,294,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,845.60 : 19,487,773.20 = 8,204,943.20 : x
  2. Step 2: Convert to fraction form
    13,005,845.60/19,487,773.20 = 8,204,943.20/x
  3. Step 3: Cross multiply
    13,005,845.60x = 19,487,773.20 × 8,204,943.20
  4. Step 4: Simplify right side
    13,005,845.60x = 159,896,072,200,482.25
  5. Step 5: Solve for x
    x = 159,896,072,200,482.25/13,005,845.60
  6. Step 6: Final answer
    x = 12,294,169.65

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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.