Home / 10,368,000.40-15,552,000.60-3,179,477.20

Finding the Fourth Proportional to 10,368,000.40, 15,552,000.60 and 3,179,477.20

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Solution

The fourth proportional to 10,368,000.40, 15,552,000.60 and 3,179,477.20 is: 4,769,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,000.40 : 15,552,000.60 = 3,179,477.20 : x
  2. Step 2: Convert to fraction form
    10,368,000.40/15,552,000.60 = 3,179,477.20/x
  3. Step 3: Cross multiply
    10,368,000.40x = 15,552,000.60 × 3,179,477.20
  4. Step 4: Simplify right side
    10,368,000.40x = 49,447,231,322,086.32
  5. Step 5: Solve for x
    x = 49,447,231,322,086.32/10,368,000.40
  6. Step 6: Final answer
    x = 4,769,215.80

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Similar ratio
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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.