Home / 30,074,829.62-45,121,959.81-13,911,383.75

Finding the Fourth Proportional to 30,074,829.62, 45,121,959.81 and 13,911,383.75

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Solution

The fourth proportional to 30,074,829.62, 45,121,959.81 and 13,911,383.75 is: 20,871,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074,829.62 : 45,121,959.81 = 13,911,383.75 : x
  2. Step 2: Convert to fraction form
    30,074,829.62/45,121,959.81 = 13,911,383.75/x
  3. Step 3: Cross multiply
    30,074,829.62x = 45,121,959.81 × 13,911,383.75
  4. Step 4: Simplify right side
    30,074,829.62x = 627,708,898,243,377.25
  5. Step 5: Solve for x
    x = 627,708,898,243,377.25/30,074,829.62
  6. Step 6: Final answer
    x = 20,871,569.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.