Home / 12,217,921.29-16,859,748.11-7,061,616.81

Finding the Fourth Proportional to 12,217,921.29, 16,859,748.11 and 7,061,616.81

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Solution

The fourth proportional to 12,217,921.29, 16,859,748.11 and 7,061,616.81 is: 9,744,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,921.29 : 16,859,748.11 = 7,061,616.81 : x
  2. Step 2: Convert to fraction form
    12,217,921.29/16,859,748.11 = 7,061,616.81/x
  3. Step 3: Cross multiply
    12,217,921.29x = 16,859,748.11 × 7,061,616.81
  4. Step 4: Simplify right side
    12,217,921.29x = 119,057,080,630,633.64
  5. Step 5: Solve for x
    x = 119,057,080,630,633.64/12,217,921.29
  6. Step 6: Final answer
    x = 9,744,462.89

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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.