Home / 13,194,572.07-18,197,712.71-9,287,262.83

Finding the Fourth Proportional to 13,194,572.07, 18,197,712.71 and 9,287,262.83

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Solution

The fourth proportional to 13,194,572.07, 18,197,712.71 and 9,287,262.83 is: 12,808,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,572.07 : 18,197,712.71 = 9,287,262.83 : x
  2. Step 2: Convert to fraction form
    13,194,572.07/18,197,712.71 = 9,287,262.83/x
  3. Step 3: Cross multiply
    13,194,572.07x = 18,197,712.71 × 9,287,262.83
  4. Step 4: Simplify right side
    13,194,572.07x = 169,006,940,796,165.25
  5. Step 5: Solve for x
    x = 169,006,940,796,165.25/13,194,572.07
  6. Step 6: Final answer
    x = 12,808,823.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.