Home / 47,309,752.80-70,964,629.20-13,233,765.60

Finding the Fourth Proportional to 47,309,752.80, 70,964,629.20 and 13,233,765.60

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Solution

The fourth proportional to 47,309,752.80, 70,964,629.20 and 13,233,765.60 is: 19,850,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,309,752.80 : 70,964,629.20 = 13,233,765.60 : x
  2. Step 2: Convert to fraction form
    47,309,752.80/70,964,629.20 = 13,233,765.60/x
  3. Step 3: Cross multiply
    47,309,752.80x = 70,964,629.20 × 13,233,765.60
  4. Step 4: Simplify right side
    47,309,752.80x = 939,129,268,723,715.50
  5. Step 5: Solve for x
    x = 939,129,268,723,715.50/47,309,752.80
  6. Step 6: Final answer
    x = 19,850,648.40

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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.