Home / 42,745,205.40-64,111,587.30-12,449,909.40

Finding the Fourth Proportional to 42,745,205.40, 64,111,587.30 and 12,449,909.40

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Solution

The fourth proportional to 42,745,205.40, 64,111,587.30 and 12,449,909.40 is: 18,673,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,745,205.40 : 64,111,587.30 = 12,449,909.40 : x
  2. Step 2: Convert to fraction form
    42,745,205.40/64,111,587.30 = 12,449,909.40/x
  3. Step 3: Cross multiply
    42,745,205.40x = 64,111,587.30 × 12,449,909.40
  4. Step 4: Simplify right side
    42,745,205.40x = 798,183,453,375,190.62
  5. Step 5: Solve for x
    x = 798,183,453,375,190.62/42,745,205.40
  6. Step 6: Final answer
    x = 18,673,052.24

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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.