Home / 13,719,010.56-18,932,990.40-7,607,307.84

Finding the Fourth Proportional to 13,719,010.56, 18,932,990.40 and 7,607,307.84

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Solution

The fourth proportional to 13,719,010.56, 18,932,990.40 and 7,607,307.84 is: 10,498,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719,010.56 : 18,932,990.40 = 7,607,307.84 : x
  2. Step 2: Convert to fraction form
    13,719,010.56/18,932,990.40 = 7,607,307.84/x
  3. Step 3: Cross multiply
    13,719,010.56x = 18,932,990.40 × 7,607,307.84
  4. Step 4: Simplify right side
    13,719,010.56x = 144,029,086,304,564.72
  5. Step 5: Solve for x
    x = 144,029,086,304,564.72/13,719,010.56
  6. Step 6: Final answer
    x = 10,498,503.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.