Home / 12,120,799.47-16,727,058.18-6,614,529.13

Finding the Fourth Proportional to 12,120,799.47, 16,727,058.18 and 6,614,529.13

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Solution

The fourth proportional to 12,120,799.47, 16,727,058.18 and 6,614,529.13 is: 9,128,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,799.47 : 16,727,058.18 = 6,614,529.13 : x
  2. Step 2: Convert to fraction form
    12,120,799.47/16,727,058.18 = 6,614,529.13/x
  3. Step 3: Cross multiply
    12,120,799.47x = 16,727,058.18 × 6,614,529.13
  4. Step 4: Simplify right side
    12,120,799.47x = 110,641,613,590,814.78
  5. Step 5: Solve for x
    x = 110,641,613,590,814.78/12,120,799.47
  6. Step 6: Final answer
    x = 9,128,243.88

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Double scale
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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.