Home / 10,503,005.40-15,754,508.10-3,772,099.80

Finding the Fourth Proportional to 10,503,005.40, 15,754,508.10 and 3,772,099.80

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Solution

The fourth proportional to 10,503,005.40, 15,754,508.10 and 3,772,099.80 is: 5,658,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503,005.40 : 15,754,508.10 = 3,772,099.80 : x
  2. Step 2: Convert to fraction form
    10,503,005.40/15,754,508.10 = 3,772,099.80/x
  3. Step 3: Cross multiply
    10,503,005.40x = 15,754,508.10 × 3,772,099.80
  4. Step 4: Simplify right side
    10,503,005.40x = 59,427,576,853,108.38
  5. Step 5: Solve for x
    x = 59,427,576,853,108.38/10,503,005.40
  6. Step 6: Final answer
    x = 5,658,149.70

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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.