Home / 12,687,613.45-17,508,437.48-6,886,270.64

Finding the Fourth Proportional to 12,687,613.45, 17,508,437.48 and 6,886,270.64

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Solution

The fourth proportional to 12,687,613.45, 17,508,437.48 and 6,886,270.64 is: 9,502,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,613.45 : 17,508,437.48 = 6,886,270.64 : x
  2. Step 2: Convert to fraction form
    12,687,613.45/17,508,437.48 = 6,886,270.64/x
  3. Step 3: Cross multiply
    12,687,613.45x = 17,508,437.48 × 6,886,270.64
  4. Step 4: Simplify right side
    12,687,613.45x = 120,567,839,031,786.38
  5. Step 5: Solve for x
    x = 120,567,839,031,786.38/12,687,613.45
  6. Step 6: Final answer
    x = 9,502,798.89

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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.