Home / 9,339,206.64-12,887,549.92-5,418,659.04

Finding the Fourth Proportional to 9,339,206.64, 12,887,549.92 and 5,418,659.04

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Solution

The fourth proportional to 9,339,206.64, 12,887,549.92 and 5,418,659.04 is: 7,477,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339,206.64 : 12,887,549.92 = 5,418,659.04 : x
  2. Step 2: Convert to fraction form
    9,339,206.64/12,887,549.92 = 5,418,659.04/x
  3. Step 3: Cross multiply
    9,339,206.64x = 12,887,549.92 × 5,418,659.04
  4. Step 4: Simplify right side
    9,339,206.64x = 69,833,238,877,459.27
  5. Step 5: Solve for x
    x = 69,833,238,877,459.27/9,339,206.64
  6. Step 6: Final answer
    x = 7,477,427.32

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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.