Home / 15,543,936.40-23,315,904.60-5,445,245.20

Finding the Fourth Proportional to 15,543,936.40, 23,315,904.60 and 5,445,245.20

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Solution

The fourth proportional to 15,543,936.40, 23,315,904.60 and 5,445,245.20 is: 8,167,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543,936.40 : 23,315,904.60 = 5,445,245.20 : x
  2. Step 2: Convert to fraction form
    15,543,936.40/23,315,904.60 = 5,445,245.20/x
  3. Step 3: Cross multiply
    15,543,936.40x = 23,315,904.60 × 5,445,245.20
  4. Step 4: Simplify right side
    15,543,936.40x = 126,960,817,606,807.94
  5. Step 5: Solve for x
    x = 126,960,817,606,807.94/15,543,936.40
  6. Step 6: Final answer
    x = 8,167,867.80

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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.