Home / 8,788,614.89-12,128,385.57-4,868,431.06

Finding the Fourth Proportional to 8,788,614.89, 12,128,385.57 and 4,868,431.06

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Solution

The fourth proportional to 8,788,614.89, 12,128,385.57 and 4,868,431.06 is: 6,718,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,614.89 : 12,128,385.57 = 4,868,431.06 : x
  2. Step 2: Convert to fraction form
    8,788,614.89/12,128,385.57 = 4,868,431.06/x
  3. Step 3: Cross multiply
    8,788,614.89x = 12,128,385.57 × 4,868,431.06
  4. Step 4: Simplify right side
    8,788,614.89x = 59,046,208,992,301.64
  5. Step 5: Solve for x
    x = 59,046,208,992,301.64/8,788,614.89
  6. Step 6: Final answer
    x = 6,718,488.61

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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.