Home / 47,884,514.60-71,826,771.90-28,752,638.60

Finding the Fourth Proportional to 47,884,514.60, 71,826,771.90 and 28,752,638.60

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Solution

The fourth proportional to 47,884,514.60, 71,826,771.90 and 28,752,638.60 is: 43,128,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,884,514.60 : 71,826,771.90 = 28,752,638.60 : x
  2. Step 2: Convert to fraction form
    47,884,514.60/71,826,771.90 = 28,752,638.60/x
  3. Step 3: Cross multiply
    47,884,514.60x = 71,826,771.90 × 28,752,638.60
  4. Step 4: Simplify right side
    47,884,514.60x = 2,065,209,214,245,335.50
  5. Step 5: Solve for x
    x = 2,065,209,214,245,335.50/47,884,514.60
  6. Step 6: Final answer
    x = 43,128,957.90

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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.