Home / 31,456,169.40-47,184,254.10-28,432,860.60

Finding the Fourth Proportional to 31,456,169.40, 47,184,254.10 and 28,432,860.60

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Solution

The fourth proportional to 31,456,169.40, 47,184,254.10 and 28,432,860.60 is: 42,649,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456,169.40 : 47,184,254.10 = 28,432,860.60 : x
  2. Step 2: Convert to fraction form
    31,456,169.40/47,184,254.10 = 28,432,860.60/x
  3. Step 3: Cross multiply
    31,456,169.40x = 47,184,254.10 × 28,432,860.60
  4. Step 4: Simplify right side
    31,456,169.40x = 1,341,583,319,340,278.50
  5. Step 5: Solve for x
    x = 1,341,583,319,340,278.50/31,456,169.40
  6. Step 6: Final answer
    x = 42,649,290.90

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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.