Home / 10,306,500.60-15,459,750.90-9,424,702.20

Finding the Fourth Proportional to 10,306,500.60, 15,459,750.90 and 9,424,702.20

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Solution

The fourth proportional to 10,306,500.60, 15,459,750.90 and 9,424,702.20 is: 14,137,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,500.60 : 15,459,750.90 = 9,424,702.20 : x
  2. Step 2: Convert to fraction form
    10,306,500.60/15,459,750.90 = 9,424,702.20/x
  3. Step 3: Cross multiply
    10,306,500.60x = 15,459,750.90 × 9,424,702.20
  4. Step 4: Simplify right side
    10,306,500.60x = 145,703,548,318,681.97
  5. Step 5: Solve for x
    x = 145,703,548,318,681.97/10,306,500.60
  6. Step 6: Final answer
    x = 14,137,053.30

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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.