Home / 31,819,454.88-47,762,578.72-28,199,345.21

Finding the Fourth Proportional to 31,819,454.88, 47,762,578.72 and 28,199,345.21

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Solution

The fourth proportional to 31,819,454.88, 47,762,578.72 and 28,199,345.21 is: 42,328,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,819,454.88 : 47,762,578.72 = 28,199,345.21 : x
  2. Step 2: Convert to fraction form
    31,819,454.88/47,762,578.72 = 28,199,345.21/x
  3. Step 3: Cross multiply
    31,819,454.88x = 47,762,578.72 × 28,199,345.21
  4. Step 4: Simplify right side
    31,819,454.88x = 1,346,873,445,530,669.25
  5. Step 5: Solve for x
    x = 1,346,873,445,530,669.25/31,819,454.88
  6. Step 6: Final answer
    x = 42,328,614.70

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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.