Home / 13,287,863.40-19,955,414.70-9,697,684.20

Finding the Fourth Proportional to 13,287,863.40, 19,955,414.70 and 9,697,684.20

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Solution

The fourth proportional to 13,287,863.40, 19,955,414.70 and 9,697,684.20 is: 14,563,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,863.40 : 19,955,414.70 = 9,697,684.20 : x
  2. Step 2: Convert to fraction form
    13,287,863.40/19,955,414.70 = 9,697,684.20/x
  3. Step 3: Cross multiply
    13,287,863.40x = 19,955,414.70 × 9,697,684.20
  4. Step 4: Simplify right side
    13,287,863.40x = 193,521,309,840,637.72
  5. Step 5: Solve for x
    x = 193,521,309,840,637.72/13,287,863.40
  6. Step 6: Final answer
    x = 14,563,764.24

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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.