Home / 42,038,460.80-63,007,924.80-17,777,340.80

Finding the Fourth Proportional to 42,038,460.80, 63,007,924.80 and 17,777,340.80

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Solution

The fourth proportional to 42,038,460.80, 63,007,924.80 and 17,777,340.80 is: 26,644,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038,460.80 : 63,007,924.80 = 17,777,340.80 : x
  2. Step 2: Convert to fraction form
    42,038,460.80/63,007,924.80 = 17,777,340.80/x
  3. Step 3: Cross multiply
    42,038,460.80x = 63,007,924.80 × 17,777,340.80
  4. Step 4: Simplify right side
    42,038,460.80x = 1,120,113,352,270,371.88
  5. Step 5: Solve for x
    x = 1,120,113,352,270,371.88/42,038,460.80
  6. Step 6: Final answer
    x = 26,644,965.85

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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.