Home / 31,346,152.60-47,019,228.90-8,317,042.60

Finding the Fourth Proportional to 31,346,152.60, 47,019,228.90 and 8,317,042.60

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Solution

The fourth proportional to 31,346,152.60, 47,019,228.90 and 8,317,042.60 is: 12,475,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346,152.60 : 47,019,228.90 = 8,317,042.60 : x
  2. Step 2: Convert to fraction form
    31,346,152.60/47,019,228.90 = 8,317,042.60/x
  3. Step 3: Cross multiply
    31,346,152.60x = 47,019,228.90 × 8,317,042.60
  4. Step 4: Simplify right side
    31,346,152.60x = 391,060,929,780,451.12
  5. Step 5: Solve for x
    x = 391,060,929,780,451.12/31,346,152.60
  6. Step 6: Final answer
    x = 12,475,563.90

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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.