Home / 15,098,869.53-20,835,697.25-8,571,642.28

Finding the Fourth Proportional to 15,098,869.53, 20,835,697.25 and 8,571,642.28

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Solution

The fourth proportional to 15,098,869.53, 20,835,697.25 and 8,571,642.28 is: 11,828,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,098,869.53 : 20,835,697.25 = 8,571,642.28 : x
  2. Step 2: Convert to fraction form
    15,098,869.53/20,835,697.25 = 8,571,642.28/x
  3. Step 3: Cross multiply
    15,098,869.53x = 20,835,697.25 × 8,571,642.28
  4. Step 4: Simplify right side
    15,098,869.53x = 178,596,143,450,719.59
  5. Step 5: Solve for x
    x = 178,596,143,450,719.59/15,098,869.53
  6. Step 6: Final answer
    x = 11,828,444.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.