Home / 30,726,873.01-42,402,589.77-16,787,928.88

Finding the Fourth Proportional to 30,726,873.01, 42,402,589.77 and 16,787,928.88

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Solution

The fourth proportional to 30,726,873.01, 42,402,589.77 and 16,787,928.88 is: 23,167,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726,873.01 : 42,402,589.77 = 16,787,928.88 : x
  2. Step 2: Convert to fraction form
    30,726,873.01/42,402,589.77 = 16,787,928.88/x
  3. Step 3: Cross multiply
    30,726,873.01x = 42,402,589.77 × 16,787,928.88
  4. Step 4: Simplify right side
    30,726,873.01x = 711,851,661,386,575.62
  5. Step 5: Solve for x
    x = 711,851,661,386,575.62/30,726,873.01
  6. Step 6: Final answer
    x = 23,167,071.42

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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.