Home / 12,304,662.40-16,979,920.20-7,077,273.12

Finding the Fourth Proportional to 12,304,662.40, 16,979,920.20 and 7,077,273.12

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Solution

The fourth proportional to 12,304,662.40, 16,979,920.20 and 7,077,273.12 is: 9,766,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304,662.40 : 16,979,920.20 = 7,077,273.12 : x
  2. Step 2: Convert to fraction form
    12,304,662.40/16,979,920.20 = 7,077,273.12/x
  3. Step 3: Cross multiply
    12,304,662.40x = 16,979,920.20 × 7,077,273.12
  4. Step 4: Simplify right side
    12,304,662.40x = 120,171,532,811,205.02
  5. Step 5: Solve for x
    x = 120,171,532,811,205.02/12,304,662.40
  6. Step 6: Final answer
    x = 9,766,341.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.