Home / 10,368,082.55-15,552,123.83-7,813,407.35

Finding the Fourth Proportional to 10,368,082.55, 15,552,123.83 and 7,813,407.35

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Solution

The fourth proportional to 10,368,082.55, 15,552,123.83 and 7,813,407.35 is: 11,720,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,082.55 : 15,552,123.83 = 7,813,407.35 : x
  2. Step 2: Convert to fraction form
    10,368,082.55/15,552,123.83 = 7,813,407.35/x
  3. Step 3: Cross multiply
    10,368,082.55x = 15,552,123.83 × 7,813,407.35
  4. Step 4: Simplify right side
    10,368,082.55x = 121,515,078,641,432.14
  5. Step 5: Solve for x
    x = 121,515,078,641,432.14/10,368,082.55
  6. Step 6: Final answer
    x = 11,720,111.03

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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.