Home / 10,368,010.70-15,552,016.05-8,688,394.70

Finding the Fourth Proportional to 10,368,010.70, 15,552,016.05 and 8,688,394.70

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Solution

The fourth proportional to 10,368,010.70, 15,552,016.05 and 8,688,394.70 is: 13,032,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,010.70 : 15,552,016.05 = 8,688,394.70 : x
  2. Step 2: Convert to fraction form
    10,368,010.70/15,552,016.05 = 8,688,394.70/x
  3. Step 3: Cross multiply
    10,368,010.70x = 15,552,016.05 × 8,688,394.70
  4. Step 4: Simplify right side
    10,368,010.70x = 135,122,053,823,134.94
  5. Step 5: Solve for x
    x = 135,122,053,823,134.94/10,368,010.70
  6. Step 6: Final answer
    x = 13,032,592.05

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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.