Home / 9,275,862.72-12,800,822.88-5,604,269.76

Finding the Fourth Proportional to 9,275,862.72, 12,800,822.88 and 5,604,269.76

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Solution

The fourth proportional to 9,275,862.72, 12,800,822.88 and 5,604,269.76 is: 7,733,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275,862.72 : 12,800,822.88 = 5,604,269.76 : x
  2. Step 2: Convert to fraction form
    9,275,862.72/12,800,822.88 = 5,604,269.76/x
  3. Step 3: Cross multiply
    9,275,862.72x = 12,800,822.88 × 5,604,269.76
  4. Step 4: Simplify right side
    9,275,862.72x = 71,739,264,569,500.11
  5. Step 5: Solve for x
    x = 71,739,264,569,500.11/9,275,862.72
  6. Step 6: Final answer
    x = 7,733,972.22

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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.