Home / 14,521,988.40-21,787,648.20-9,735,082.80

Finding the Fourth Proportional to 14,521,988.40, 21,787,648.20 and 9,735,082.80

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Solution

The fourth proportional to 14,521,988.40, 21,787,648.20 and 9,735,082.80 is: 14,605,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521,988.40 : 21,787,648.20 = 9,735,082.80 : x
  2. Step 2: Convert to fraction form
    14,521,988.40/21,787,648.20 = 9,735,082.80/x
  3. Step 3: Cross multiply
    14,521,988.40x = 21,787,648.20 × 9,735,082.80
  4. Step 4: Simplify right side
    14,521,988.40x = 212,104,559,244,270.97
  5. Step 5: Solve for x
    x = 212,104,559,244,270.97/14,521,988.40
  6. Step 6: Final answer
    x = 14,605,751.87

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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.