Home / 10,530,576.40-15,795,864.60-8,617,388.80

Finding the Fourth Proportional to 10,530,576.40, 15,795,864.60 and 8,617,388.80

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Solution

The fourth proportional to 10,530,576.40, 15,795,864.60 and 8,617,388.80 is: 12,926,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,576.40 : 15,795,864.60 = 8,617,388.80 : x
  2. Step 2: Convert to fraction form
    10,530,576.40/15,795,864.60 = 8,617,388.80/x
  3. Step 3: Cross multiply
    10,530,576.40x = 15,795,864.60 × 8,617,388.80
  4. Step 4: Simplify right side
    10,530,576.40x = 136,119,106,690,356.48
  5. Step 5: Solve for x
    x = 136,119,106,690,356.48/10,530,576.40
  6. Step 6: Final answer
    x = 12,926,083.20

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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.