Home / 42,045,628.20-63,015,298.20-20,433,694.20

Finding the Fourth Proportional to 42,045,628.20, 63,015,298.20 and 20,433,694.20

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Solution

The fourth proportional to 42,045,628.20, 63,015,298.20 and 20,433,694.20 is: 30,624,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,045,628.20 : 63,015,298.20 = 20,433,694.20 : x
  2. Step 2: Convert to fraction form
    42,045,628.20/63,015,298.20 = 20,433,694.20/x
  3. Step 3: Cross multiply
    42,045,628.20x = 63,015,298.20 × 20,433,694.20
  4. Step 4: Simplify right side
    42,045,628.20x = 1,287,635,333,340,610.50
  5. Step 5: Solve for x
    x = 1,287,635,333,340,610.50/42,045,628.20
  6. Step 6: Final answer
    x = 30,624,713.88

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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.