Home / 30,559,394.61-42,182,934.03-18,169,458.48

Finding the Fourth Proportional to 30,559,394.61, 42,182,934.03 and 18,169,458.48

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Solution

The fourth proportional to 30,559,394.61, 42,182,934.03 and 18,169,458.48 is: 25,080,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559,394.61 : 42,182,934.03 = 18,169,458.48 : x
  2. Step 2: Convert to fraction form
    30,559,394.61/42,182,934.03 = 18,169,458.48/x
  3. Step 3: Cross multiply
    30,559,394.61x = 42,182,934.03 × 18,169,458.48
  4. Step 4: Simplify right side
    30,559,394.61x = 766,441,068,120,902.12
  5. Step 5: Solve for x
    x = 766,441,068,120,902.12/30,559,394.61
  6. Step 6: Final answer
    x = 25,080,374.72

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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.