Home / 10,702,428.20-16,079,856.70-8,048,220.20

Finding the Fourth Proportional to 10,702,428.20, 16,079,856.70 and 8,048,220.20

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Solution

The fourth proportional to 10,702,428.20, 16,079,856.70 and 8,048,220.20 is: 12,092,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702,428.20 : 16,079,856.70 = 8,048,220.20 : x
  2. Step 2: Convert to fraction form
    10,702,428.20/16,079,856.70 = 8,048,220.20/x
  3. Step 3: Cross multiply
    10,702,428.20x = 16,079,856.70 × 8,048,220.20
  4. Step 4: Simplify right side
    10,702,428.20x = 129,414,227,506,045.34
  5. Step 5: Solve for x
    x = 129,414,227,506,045.34/10,702,428.20
  6. Step 6: Final answer
    x = 12,092,043.51

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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.