Home / 9,781,334.44-14,742,308.79-8,431,401.70

Finding the Fourth Proportional to 9,781,334.44, 14,742,308.79 and 8,431,401.70

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Solution

The fourth proportional to 9,781,334.44, 14,742,308.79 and 8,431,401.70 is: 12,707,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,334.44 : 14,742,308.79 = 8,431,401.70 : x
  2. Step 2: Convert to fraction form
    9,781,334.44/14,742,308.79 = 8,431,401.70/x
  3. Step 3: Cross multiply
    9,781,334.44x = 14,742,308.79 × 8,431,401.70
  4. Step 4: Simplify right side
    9,781,334.44x = 124,298,327,393,930.92
  5. Step 5: Solve for x
    x = 124,298,327,393,930.92/9,781,334.44
  6. Step 6: Final answer
    x = 12,707,706.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.