Home / 10,915,428.70-16,373,143.05-6,876,477.10

Finding the Fourth Proportional to 10,915,428.70, 16,373,143.05 and 6,876,477.10

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Solution

The fourth proportional to 10,915,428.70, 16,373,143.05 and 6,876,477.10 is: 10,314,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,428.70 : 16,373,143.05 = 6,876,477.10 : x
  2. Step 2: Convert to fraction form
    10,915,428.70/16,373,143.05 = 6,876,477.10/x
  3. Step 3: Cross multiply
    10,915,428.70x = 16,373,143.05 × 6,876,477.10
  4. Step 4: Simplify right side
    10,915,428.70x = 112,589,543,238,349.16
  5. Step 5: Solve for x
    x = 112,589,543,238,349.16/10,915,428.70
  6. Step 6: Final answer
    x = 10,314,715.65

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Double scale
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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.