Home / 21,645,200.18-29,862,065.61-12,353,286.53

Finding the Fourth Proportional to 21,645,200.18, 29,862,065.61 and 12,353,286.53

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Solution

The fourth proportional to 21,645,200.18, 29,862,065.61 and 12,353,286.53 is: 17,042,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645,200.18 : 29,862,065.61 = 12,353,286.53 : x
  2. Step 2: Convert to fraction form
    21,645,200.18/29,862,065.61 = 12,353,286.53/x
  3. Step 3: Cross multiply
    21,645,200.18x = 29,862,065.61 × 12,353,286.53
  4. Step 4: Simplify right side
    21,645,200.18x = 368,894,652,857,989.19
  5. Step 5: Solve for x
    x = 368,894,652,857,989.19/21,645,200.18
  6. Step 6: Final answer
    x = 17,042,792.39

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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.