Home / 38,839,968.60-58,259,952.90-13,278,701.40

Finding the Fourth Proportional to 38,839,968.60, 58,259,952.90 and 13,278,701.40

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Solution

The fourth proportional to 38,839,968.60, 58,259,952.90 and 13,278,701.40 is: 19,918,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839,968.60 : 58,259,952.90 = 13,278,701.40 : x
  2. Step 2: Convert to fraction form
    38,839,968.60/58,259,952.90 = 13,278,701.40/x
  3. Step 3: Cross multiply
    38,839,968.60x = 58,259,952.90 × 13,278,701.40
  4. Step 4: Simplify right side
    38,839,968.60x = 773,616,518,137,164
  5. Step 5: Solve for x
    x = 773,616,518,137,164/38,839,968.60
  6. Step 6: Final answer
    x = 19,918,052.10

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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.