Home / 16,172,186.16-22,309,560.12-9,641,213.64

Finding the Fourth Proportional to 16,172,186.16, 22,309,560.12 and 9,641,213.64

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Solution

The fourth proportional to 16,172,186.16, 22,309,560.12 and 9,641,213.64 is: 13,300,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172,186.16 : 22,309,560.12 = 9,641,213.64 : x
  2. Step 2: Convert to fraction form
    16,172,186.16/22,309,560.12 = 9,641,213.64/x
  3. Step 3: Cross multiply
    16,172,186.16x = 22,309,560.12 × 9,641,213.64
  4. Step 4: Simplify right side
    16,172,186.16x = 215,091,235,331,344.06
  5. Step 5: Solve for x
    x = 215,091,235,331,344.06/16,172,186.16
  6. Step 6: Final answer
    x = 13,300,071.69

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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.