Home / 14,637,806.40-20,207,311.20-9,745,924.80

Finding the Fourth Proportional to 14,637,806.40, 20,207,311.20 and 9,745,924.80

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Solution

The fourth proportional to 14,637,806.40, 20,207,311.20 and 9,745,924.80 is: 13,454,128.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637,806.40 : 20,207,311.20 = 9,745,924.80 : x
  2. Step 2: Convert to fraction form
    14,637,806.40/20,207,311.20 = 9,745,924.80/x
  3. Step 3: Cross multiply
    14,637,806.40x = 20,207,311.20 × 9,745,924.80
  4. Step 4: Simplify right side
    14,637,806.40x = 196,938,935,365,397.78
  5. Step 5: Solve for x
    x = 196,938,935,365,397.78/14,637,806.40
  6. Step 6: Final answer
    x = 13,454,128.99

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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.