Home / 10,257,547.80-15,386,321.70-9,785,155.80

Finding the Fourth Proportional to 10,257,547.80, 15,386,321.70 and 9,785,155.80

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Solution

The fourth proportional to 10,257,547.80, 15,386,321.70 and 9,785,155.80 is: 14,677,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,547.80 : 15,386,321.70 = 9,785,155.80 : x
  2. Step 2: Convert to fraction form
    10,257,547.80/15,386,321.70 = 9,785,155.80/x
  3. Step 3: Cross multiply
    10,257,547.80x = 15,386,321.70 × 9,785,155.80
  4. Step 4: Simplify right side
    10,257,547.80x = 150,557,555,023,420.88
  5. Step 5: Solve for x
    x = 150,557,555,023,420.88/10,257,547.80
  6. Step 6: Final answer
    x = 14,677,733.70

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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.