Home / 47,798,078.04-71,697,007.67-20,486,661.66

Finding the Fourth Proportional to 47,798,078.04, 71,697,007.67 and 20,486,661.66

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Solution

The fourth proportional to 47,798,078.04, 71,697,007.67 and 20,486,661.66 is: 30,729,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,798,078.04 : 71,697,007.67 = 20,486,661.66 : x
  2. Step 2: Convert to fraction form
    47,798,078.04/71,697,007.67 = 20,486,661.66/x
  3. Step 3: Cross multiply
    47,798,078.04x = 71,697,007.67 × 20,486,661.66
  4. Step 4: Simplify right side
    47,798,078.04x = 1,468,832,338,067,281.75
  5. Step 5: Solve for x
    x = 1,468,832,338,067,281.75/47,798,078.04
  6. Step 6: Final answer
    x = 30,729,945.60

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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.