Home / 10,368,092.80-15,552,139.20-9,990,179.20

Finding the Fourth Proportional to 10,368,092.80, 15,552,139.20 and 9,990,179.20

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Solution

The fourth proportional to 10,368,092.80, 15,552,139.20 and 9,990,179.20 is: 14,985,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,092.80 : 15,552,139.20 = 9,990,179.20 : x
  2. Step 2: Convert to fraction form
    10,368,092.80/15,552,139.20 = 9,990,179.20/x
  3. Step 3: Cross multiply
    10,368,092.80x = 15,552,139.20 × 9,990,179.20
  4. Step 4: Simplify right side
    10,368,092.80x = 155,368,657,551,344.62
  5. Step 5: Solve for x
    x = 155,368,657,551,344.62/10,368,092.80
  6. Step 6: Final answer
    x = 14,985,268.80

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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.