Home / 10,368,043.40-15,552,065.10-3,179,520.20

Finding the Fourth Proportional to 10,368,043.40, 15,552,065.10 and 3,179,520.20

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Solution

The fourth proportional to 10,368,043.40, 15,552,065.10 and 3,179,520.20 is: 4,769,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,043.40 : 15,552,065.10 = 3,179,520.20 : x
  2. Step 2: Convert to fraction form
    10,368,043.40/15,552,065.10 = 3,179,520.20/x
  3. Step 3: Cross multiply
    10,368,043.40x = 15,552,065.10 × 3,179,520.20
  4. Step 4: Simplify right side
    10,368,043.40x = 49,448,105,137,165.02
  5. Step 5: Solve for x
    x = 49,448,105,137,165.02/10,368,043.40
  6. Step 6: Final answer
    x = 4,769,280.30

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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.