Home / 8,877,114.09-12,258,877.89-8,393,495.72

Finding the Fourth Proportional to 8,877,114.09, 12,258,877.89 and 8,393,495.72

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Solution

The fourth proportional to 8,877,114.09, 12,258,877.89 and 8,393,495.72 is: 11,591,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877,114.09 : 12,258,877.89 = 8,393,495.72 : x
  2. Step 2: Convert to fraction form
    8,877,114.09/12,258,877.89 = 8,393,495.72/x
  3. Step 3: Cross multiply
    8,877,114.09x = 12,258,877.89 × 8,393,495.72
  4. Step 4: Simplify right side
    8,877,114.09x = 102,894,839,040,423.25
  5. Step 5: Solve for x
    x = 102,894,839,040,423.25/8,877,114.09
  6. Step 6: Final answer
    x = 11,591,023.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.