Home / 8,312,048.40-12,447,077.40-5,456,701.20

Finding the Fourth Proportional to 8,312,048.40, 12,447,077.40 and 5,456,701.20

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Solution

The fourth proportional to 8,312,048.40, 12,447,077.40 and 5,456,701.20 is: 8,171,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,048.40 : 12,447,077.40 = 5,456,701.20 : x
  2. Step 2: Convert to fraction form
    8,312,048.40/12,447,077.40 = 5,456,701.20/x
  3. Step 3: Cross multiply
    8,312,048.40x = 12,447,077.40 × 5,456,701.20
  4. Step 4: Simplify right side
    8,312,048.40x = 67,919,982,185,072.88
  5. Step 5: Solve for x
    x = 67,919,982,185,072.88/8,312,048.40
  6. Step 6: Final answer
    x = 8,171,268.85

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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.