Home / 30,618,934.40-45,928,401.60-13,612,822.40

Finding the Fourth Proportional to 30,618,934.40, 45,928,401.60 and 13,612,822.40

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Solution

The fourth proportional to 30,618,934.40, 45,928,401.60 and 13,612,822.40 is: 20,419,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618,934.40 : 45,928,401.60 = 13,612,822.40 : x
  2. Step 2: Convert to fraction form
    30,618,934.40/45,928,401.60 = 13,612,822.40/x
  3. Step 3: Cross multiply
    30,618,934.40x = 45,928,401.60 × 13,612,822.40
  4. Step 4: Simplify right side
    30,618,934.40x = 625,215,174,096,675.88
  5. Step 5: Solve for x
    x = 625,215,174,096,675.88/30,618,934.40
  6. Step 6: Final answer
    x = 20,419,233.60

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1.5x scale

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.