Home / 30,634,066.80-42,281,285.40-18,251,414.10

Finding the Fourth Proportional to 30,634,066.80, 42,281,285.40 and 18,251,414.10

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Solution

The fourth proportional to 30,634,066.80, 42,281,285.40 and 18,251,414.10 is: 25,190,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634,066.80 : 42,281,285.40 = 18,251,414.10 : x
  2. Step 2: Convert to fraction form
    30,634,066.80/42,281,285.40 = 18,251,414.10/x
  3. Step 3: Cross multiply
    30,634,066.80x = 42,281,285.40 × 18,251,414.10
  4. Step 4: Simplify right side
    30,634,066.80x = 771,693,248,515,684.12
  5. Step 5: Solve for x
    x = 771,693,248,515,684.12/30,634,066.80
  6. Step 6: Final answer
    x = 25,190,688.97

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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.