Home / 19,272,066.87-28,909,799.52-5,439,148.84

Finding the Fourth Proportional to 19,272,066.87, 28,909,799.52 and 5,439,148.84

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Solution

The fourth proportional to 19,272,066.87, 28,909,799.52 and 5,439,148.84 is: 8,159,202.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272,066.87 : 28,909,799.52 = 5,439,148.84 : x
  2. Step 2: Convert to fraction form
    19,272,066.87/28,909,799.52 = 5,439,148.84/x
  3. Step 3: Cross multiply
    19,272,066.87x = 28,909,799.52 × 5,439,148.84
  4. Step 4: Simplify right side
    19,272,066.87x = 157,244,702,523,840.56
  5. Step 5: Solve for x
    x = 157,244,702,523,840.56/19,272,066.87
  6. Step 6: Final answer
    x = 8,159,202.83

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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.