Home / 10,900,938.20-16,351,407.30-9,891,200.30

Finding the Fourth Proportional to 10,900,938.20, 16,351,407.30 and 9,891,200.30

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Solution

The fourth proportional to 10,900,938.20, 16,351,407.30 and 9,891,200.30 is: 14,836,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,938.20 : 16,351,407.30 = 9,891,200.30 : x
  2. Step 2: Convert to fraction form
    10,900,938.20/16,351,407.30 = 9,891,200.30/x
  3. Step 3: Cross multiply
    10,900,938.20x = 16,351,407.30 × 9,891,200.30
  4. Step 4: Simplify right side
    10,900,938.20x = 161,735,044,791,182.22
  5. Step 5: Solve for x
    x = 161,735,044,791,182.22/10,900,938.20
  6. Step 6: Final answer
    x = 14,836,800.45

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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.