Home / 38,839,969.10-58,259,953.65-13,278,701.90

Finding the Fourth Proportional to 38,839,969.10, 58,259,953.65 and 13,278,701.90

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Solution

The fourth proportional to 38,839,969.10, 58,259,953.65 and 13,278,701.90 is: 19,918,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839,969.10 : 58,259,953.65 = 13,278,701.90 : x
  2. Step 2: Convert to fraction form
    38,839,969.10/58,259,953.65 = 13,278,701.90/x
  3. Step 3: Cross multiply
    38,839,969.10x = 58,259,953.65 × 13,278,701.90
  4. Step 4: Simplify right side
    38,839,969.10x = 773,616,557,226,166.88
  5. Step 5: Solve for x
    x = 773,616,557,226,166.88/38,839,969.10
  6. Step 6: Final answer
    x = 19,918,052.85

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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.