Home / 10,257,879.30-15,386,818.95-9,785,487.30

Finding the Fourth Proportional to 10,257,879.30, 15,386,818.95 and 9,785,487.30

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Solution

The fourth proportional to 10,257,879.30, 15,386,818.95 and 9,785,487.30 is: 14,678,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,879.30 : 15,386,818.95 = 9,785,487.30 : x
  2. Step 2: Convert to fraction form
    10,257,879.30/15,386,818.95 = 9,785,487.30/x
  3. Step 3: Cross multiply
    10,257,879.30x = 15,386,818.95 × 9,785,487.30
  4. Step 4: Simplify right side
    10,257,879.30x = 150,567,521,422,624.34
  5. Step 5: Solve for x
    x = 150,567,521,422,624.34/10,257,879.30
  6. Step 6: Final answer
    x = 14,678,230.95

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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.