Home / 15,412,515.73-23,118,828.27-5,177,082.76

Finding the Fourth Proportional to 15,412,515.73, 23,118,828.27 and 5,177,082.76

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Solution

The fourth proportional to 15,412,515.73, 23,118,828.27 and 5,177,082.76 is: 7,765,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412,515.73 : 23,118,828.27 = 5,177,082.76 : x
  2. Step 2: Convert to fraction form
    15,412,515.73/23,118,828.27 = 5,177,082.76/x
  3. Step 3: Cross multiply
    15,412,515.73x = 23,118,828.27 × 5,177,082.76
  4. Step 4: Simplify right side
    15,412,515.73x = 119,688,087,268,017.62
  5. Step 5: Solve for x
    x = 119,688,087,268,017.62/15,412,515.73
  6. Step 6: Final answer
    x = 7,765,642.51

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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.