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Finding the Fourth Proportional to 8,199,402.40, 12,304,352.40 and 4,787,682.40

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Solution

The fourth proportional to 8,199,402.40, 12,304,352.40 and 4,787,682.40 is: 7,184,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,402.40 : 12,304,352.40 = 4,787,682.40 : x
  2. Step 2: Convert to fraction form
    8,199,402.40/12,304,352.40 = 4,787,682.40/x
  3. Step 3: Cross multiply
    8,199,402.40x = 12,304,352.40 × 4,787,682.40
  4. Step 4: Simplify right side
    8,199,402.40x = 58,909,331,428,877.77
  5. Step 5: Solve for x
    x = 58,909,331,428,877.77/8,199,402.40
  6. Step 6: Final answer
    x = 7,184,588.41

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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.