Home / 8,199,719.40-12,304,827.90-4,787,999.40

Finding the Fourth Proportional to 8,199,719.40, 12,304,827.90 and 4,787,999.40

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Solution

The fourth proportional to 8,199,719.40, 12,304,827.90 and 4,787,999.40 is: 7,185,063.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,719.40 : 12,304,827.90 = 4,787,999.40 : x
  2. Step 2: Convert to fraction form
    8,199,719.40/12,304,827.90 = 4,787,999.40/x
  3. Step 3: Cross multiply
    8,199,719.40x = 12,304,827.90 × 4,787,999.40
  4. Step 4: Simplify right side
    8,199,719.40x = 58,915,508,602,303.27
  5. Step 5: Solve for x
    x = 58,915,508,602,303.27/8,199,719.40
  6. Step 6: Final answer
    x = 7,185,063.99

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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.