Home / 42,118,735.71-63,181,959.17-11,826,394.59

Finding the Fourth Proportional to 42,118,735.71, 63,181,959.17 and 11,826,394.59

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Solution

The fourth proportional to 42,118,735.71, 63,181,959.17 and 11,826,394.59 is: 17,740,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,118,735.71 : 63,181,959.17 = 11,826,394.59 : x
  2. Step 2: Convert to fraction form
    42,118,735.71/63,181,959.17 = 11,826,394.59/x
  3. Step 3: Cross multiply
    42,118,735.71x = 63,181,959.17 × 11,826,394.59
  4. Step 4: Simplify right side
    42,118,735.71x = 747,214,780,054,556.88
  5. Step 5: Solve for x
    x = 747,214,780,054,556.88/42,118,735.71
  6. Step 6: Final answer
    x = 17,740,674.49

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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.