Home / 13,870,869.40-20,806,304.10-8,496,098.20

Finding the Fourth Proportional to 13,870,869.40, 20,806,304.10 and 8,496,098.20

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Solution

The fourth proportional to 13,870,869.40, 20,806,304.10 and 8,496,098.20 is: 12,744,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,869.40 : 20,806,304.10 = 8,496,098.20 : x
  2. Step 2: Convert to fraction form
    13,870,869.40/20,806,304.10 = 8,496,098.20/x
  3. Step 3: Cross multiply
    13,870,869.40x = 20,806,304.10 × 8,496,098.20
  4. Step 4: Simplify right side
    13,870,869.40x = 176,772,402,812,662.62
  5. Step 5: Solve for x
    x = 176,772,402,812,662.62/13,870,869.40
  6. Step 6: Final answer
    x = 12,744,147.30

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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.