Home / 15,017,150.16-20,726,908.66-9,138,678.35

Finding the Fourth Proportional to 15,017,150.16, 20,726,908.66 and 9,138,678.35

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Solution

The fourth proportional to 15,017,150.16, 20,726,908.66 and 9,138,678.35 is: 12,613,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,150.16 : 20,726,908.66 = 9,138,678.35 : x
  2. Step 2: Convert to fraction form
    15,017,150.16/20,726,908.66 = 9,138,678.35/x
  3. Step 3: Cross multiply
    15,017,150.16x = 20,726,908.66 × 9,138,678.35
  4. Step 4: Simplify right side
    15,017,150.16x = 189,416,551,462,540.06
  5. Step 5: Solve for x
    x = 189,416,551,462,540.06/15,017,150.16
  6. Step 6: Final answer
    x = 12,613,348.70

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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.