Home / 47,399,426.81-71,036,713.97-20,071,905.35

Finding the Fourth Proportional to 47,399,426.81, 71,036,713.97 and 20,071,905.35

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Solution

The fourth proportional to 47,399,426.81, 71,036,713.97 and 20,071,905.35 is: 30,081,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399,426.81 : 71,036,713.97 = 20,071,905.35 : x
  2. Step 2: Convert to fraction form
    47,399,426.81/71,036,713.97 = 20,071,905.35/x
  3. Step 3: Cross multiply
    47,399,426.81x = 71,036,713.97 × 20,071,905.35
  4. Step 4: Simplify right side
    47,399,426.81x = 1,425,842,199,200,170.75
  5. Step 5: Solve for x
    x = 1,425,842,199,200,170.75/47,399,426.81
  6. Step 6: Final answer
    x = 30,081,422.82

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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.