Home / 38,659,567.20-58,005,939.60-19,748,335.20

Finding the Fourth Proportional to 38,659,567.20, 58,005,939.60 and 19,748,335.20

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Solution

The fourth proportional to 38,659,567.20, 58,005,939.60 and 19,748,335.20 is: 29,630,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659,567.20 : 58,005,939.60 = 19,748,335.20 : x
  2. Step 2: Convert to fraction form
    38,659,567.20/58,005,939.60 = 19,748,335.20/x
  3. Step 3: Cross multiply
    38,659,567.20x = 58,005,939.60 × 19,748,335.20
  4. Step 4: Simplify right side
    38,659,567.20x = 1,145,520,738,811,754
  5. Step 5: Solve for x
    x = 1,145,520,738,811,754/38,659,567.20
  6. Step 6: Final answer
    x = 29,630,976.80

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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.