Home / 10,257,639.80-15,386,459.70-9,785,247.80

Finding the Fourth Proportional to 10,257,639.80, 15,386,459.70 and 9,785,247.80

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Solution

The fourth proportional to 10,257,639.80, 15,386,459.70 and 9,785,247.80 is: 14,677,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,639.80 : 15,386,459.70 = 9,785,247.80 : x
  2. Step 2: Convert to fraction form
    10,257,639.80/15,386,459.70 = 9,785,247.80/x
  3. Step 3: Cross multiply
    10,257,639.80x = 15,386,459.70 × 9,785,247.80
  4. Step 4: Simplify right side
    10,257,639.80x = 150,560,320,929,213.66
  5. Step 5: Solve for x
    x = 150,560,320,929,213.66/10,257,639.80
  6. Step 6: Final answer
    x = 14,677,871.70

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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.