Home / 10,257,552.80-15,386,329.20-9,785,160.80

Finding the Fourth Proportional to 10,257,552.80, 15,386,329.20 and 9,785,160.80

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Solution

The fourth proportional to 10,257,552.80, 15,386,329.20 and 9,785,160.80 is: 14,677,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,552.80 : 15,386,329.20 = 9,785,160.80 : x
  2. Step 2: Convert to fraction form
    10,257,552.80/15,386,329.20 = 9,785,160.80/x
  3. Step 3: Cross multiply
    10,257,552.80x = 15,386,329.20 × 9,785,160.80
  4. Step 4: Simplify right side
    10,257,552.80x = 150,557,705,343,735.38
  5. Step 5: Solve for x
    x = 150,557,705,343,735.38/10,257,552.80
  6. Step 6: Final answer
    x = 14,677,741.20

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1.5x scale

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.