Home / 9,339,497.34-12,888,826.85-5,418,957.43

Finding the Fourth Proportional to 9,339,497.34, 12,888,826.85 and 5,418,957.43

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Solution

The fourth proportional to 9,339,497.34, 12,888,826.85 and 5,418,957.43 is: 7,478,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339,497.34 : 12,888,826.85 = 5,418,957.43 : x
  2. Step 2: Convert to fraction form
    9,339,497.34/12,888,826.85 = 5,418,957.43/x
  3. Step 3: Cross multiply
    9,339,497.34x = 12,888,826.85 × 5,418,957.43
  4. Step 4: Simplify right side
    9,339,497.34x = 69,844,004,022,790.99
  5. Step 5: Solve for x
    x = 69,844,004,022,790.99/9,339,497.34
  6. Step 6: Final answer
    x = 7,478,347.23

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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.