Home / 17,011,987.20-25,517,980.80-15,523,952.40

Finding the Fourth Proportional to 17,011,987.20, 25,517,980.80 and 15,523,952.40

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Solution

The fourth proportional to 17,011,987.20, 25,517,980.80 and 15,523,952.40 is: 23,285,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011,987.20 : 25,517,980.80 = 15,523,952.40 : x
  2. Step 2: Convert to fraction form
    17,011,987.20/25,517,980.80 = 15,523,952.40/x
  3. Step 3: Cross multiply
    17,011,987.20x = 25,517,980.80 × 15,523,952.40
  4. Step 4: Simplify right side
    17,011,987.20x = 396,139,919,283,313.94
  5. Step 5: Solve for x
    x = 396,139,919,283,313.94/17,011,987.20
  6. Step 6: Final answer
    x = 23,285,928.60

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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.