Home / 12,787,961.70-19,165,407.75-9,567,822.90

Finding the Fourth Proportional to 12,787,961.70, 19,165,407.75 and 9,567,822.90

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Solution

The fourth proportional to 12,787,961.70, 19,165,407.75 and 9,567,822.90 is: 14,339,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,961.70 : 19,165,407.75 = 9,567,822.90 : x
  2. Step 2: Convert to fraction form
    12,787,961.70/19,165,407.75 = 9,567,822.90/x
  3. Step 3: Cross multiply
    12,787,961.70x = 19,165,407.75 × 9,567,822.90
  4. Step 4: Simplify right side
    12,787,961.70x = 183,371,227,158,287.47
  5. Step 5: Solve for x
    x = 183,371,227,158,287.47/12,787,961.70
  6. Step 6: Final answer
    x = 14,339,363.18

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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.