Home / 8,261,345.36-12,389,085.78-2,423,901.92

Finding the Fourth Proportional to 8,261,345.36, 12,389,085.78 and 2,423,901.92

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Solution

The fourth proportional to 8,261,345.36, 12,389,085.78 and 2,423,901.92 is: 3,634,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261,345.36 : 12,389,085.78 = 2,423,901.92 : x
  2. Step 2: Convert to fraction form
    8,261,345.36/12,389,085.78 = 2,423,901.92/x
  3. Step 3: Cross multiply
    8,261,345.36x = 12,389,085.78 × 2,423,901.92
  4. Step 4: Simplify right side
    8,261,345.36x = 30,029,928,809,186.70
  5. Step 5: Solve for x
    x = 30,029,928,809,186.70/8,261,345.36
  6. Step 6: Final answer
    x = 3,634,992.55

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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.