Home / 12,824,780.54-17,697,851.49-7,318,055.75

Finding the Fourth Proportional to 12,824,780.54, 17,697,851.49 and 7,318,055.75

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Solution

The fourth proportional to 12,824,780.54, 17,697,851.49 and 7,318,055.75 is: 10,098,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824,780.54 : 17,697,851.49 = 7,318,055.75 : x
  2. Step 2: Convert to fraction form
    12,824,780.54/17,697,851.49 = 7,318,055.75/x
  3. Step 3: Cross multiply
    12,824,780.54x = 17,697,851.49 × 7,318,055.75
  4. Step 4: Simplify right side
    12,824,780.54x = 129,513,863,797,994.02
  5. Step 5: Solve for x
    x = 129,513,863,797,994.02/12,824,780.54
  6. Step 6: Final answer
    x = 10,098,719.70

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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.