Home / 47,074,912.20-70,612,368.30-16,783,763.40

Finding the Fourth Proportional to 47,074,912.20, 70,612,368.30 and 16,783,763.40

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Solution

The fourth proportional to 47,074,912.20, 70,612,368.30 and 16,783,763.40 is: 25,175,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,074,912.20 : 70,612,368.30 = 16,783,763.40 : x
  2. Step 2: Convert to fraction form
    47,074,912.20/70,612,368.30 = 16,783,763.40/x
  3. Step 3: Cross multiply
    47,074,912.20x = 70,612,368.30 × 16,783,763.40
  4. Step 4: Simplify right side
    47,074,912.20x = 1,185,141,282,660,860
  5. Step 5: Solve for x
    x = 1,185,141,282,660,860/47,074,912.20
  6. Step 6: Final answer
    x = 25,175,645.10

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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.