Home / 10,369,029.10-15,553,543.65-9,739,173.10

Finding the Fourth Proportional to 10,369,029.10, 15,553,543.65 and 9,739,173.10

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Solution

The fourth proportional to 10,369,029.10, 15,553,543.65 and 9,739,173.10 is: 14,608,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,029.10 : 15,553,543.65 = 9,739,173.10 : x
  2. Step 2: Convert to fraction form
    10,369,029.10/15,553,543.65 = 9,739,173.10/x
  3. Step 3: Cross multiply
    10,369,029.10x = 15,553,543.65 × 9,739,173.10
  4. Step 4: Simplify right side
    10,369,029.10x = 151,478,653,925,755.81
  5. Step 5: Solve for x
    x = 151,478,653,925,755.81/10,369,029.10
  6. Step 6: Final answer
    x = 14,608,759.65

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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.