Home / 10,369,028.70-15,553,543.05-9,487,230.30

Finding the Fourth Proportional to 10,369,028.70, 15,553,543.05 and 9,487,230.30

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Solution

The fourth proportional to 10,369,028.70, 15,553,543.05 and 9,487,230.30 is: 14,230,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,028.70 : 15,553,543.05 = 9,487,230.30 : x
  2. Step 2: Convert to fraction form
    10,369,028.70/15,553,543.05 = 9,487,230.30/x
  3. Step 3: Cross multiply
    10,369,028.70x = 15,553,543.05 × 9,487,230.30
  4. Step 4: Simplify right side
    10,369,028.70x = 147,560,044,896,314.44
  5. Step 5: Solve for x
    x = 147,560,044,896,314.44/10,369,028.70
  6. Step 6: Final answer
    x = 14,230,845.45

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Double scale
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Similar ratio
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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.