Home / 8,711,789.76-12,020,499.36-5,089,417.92

Finding the Fourth Proportional to 8,711,789.76, 12,020,499.36 and 5,089,417.92

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Solution

The fourth proportional to 8,711,789.76, 12,020,499.36 and 5,089,417.92 is: 7,022,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711,789.76 : 12,020,499.36 = 5,089,417.92 : x
  2. Step 2: Convert to fraction form
    8,711,789.76/12,020,499.36 = 5,089,417.92/x
  3. Step 3: Cross multiply
    8,711,789.76x = 12,020,499.36 × 5,089,417.92
  4. Step 4: Simplify right side
    8,711,789.76x = 61,177,344,850,132.52
  5. Step 5: Solve for x
    x = 61,177,344,850,132.52/8,711,789.76
  6. Step 6: Final answer
    x = 7,022,362.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.