Home / 10,341,404.20-15,484,112.70-8,101,916.20

Finding the Fourth Proportional to 10,341,404.20, 15,484,112.70 and 8,101,916.20

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Solution

The fourth proportional to 10,341,404.20, 15,484,112.70 and 8,101,916.20 is: 12,130,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341,404.20 : 15,484,112.70 = 8,101,916.20 : x
  2. Step 2: Convert to fraction form
    10,341,404.20/15,484,112.70 = 8,101,916.20/x
  3. Step 3: Cross multiply
    10,341,404.20x = 15,484,112.70 × 8,101,916.20
  4. Step 4: Simplify right side
    10,341,404.20x = 125,450,983,526,755.73
  5. Step 5: Solve for x
    x = 125,450,983,526,755.73/10,341,404.20
  6. Step 6: Final answer
    x = 12,130,942.87

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1.5x scale

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.