Home / 10,098,537.40-15,185,130.90-8,456,246.20

Finding the Fourth Proportional to 10,098,537.40, 15,185,130.90 and 8,456,246.20

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Solution

The fourth proportional to 10,098,537.40, 15,185,130.90 and 8,456,246.20 is: 12,715,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098,537.40 : 15,185,130.90 = 8,456,246.20 : x
  2. Step 2: Convert to fraction form
    10,098,537.40/15,185,130.90 = 8,456,246.20/x
  3. Step 3: Cross multiply
    10,098,537.40x = 15,185,130.90 × 8,456,246.20
  4. Step 4: Simplify right side
    10,098,537.40x = 128,409,205,469,627.58
  5. Step 5: Solve for x
    x = 128,409,205,469,627.58/10,098,537.40
  6. Step 6: Final answer
    x = 12,715,624.09

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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.