Home / 8,999,236.79-12,418,938.72-5,079,817.94

Finding the Fourth Proportional to 8,999,236.79, 12,418,938.72 and 5,079,817.94

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Solution

The fourth proportional to 8,999,236.79, 12,418,938.72 and 5,079,817.94 is: 7,010,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999,236.79 : 12,418,938.72 = 5,079,817.94 : x
  2. Step 2: Convert to fraction form
    8,999,236.79/12,418,938.72 = 5,079,817.94/x
  3. Step 3: Cross multiply
    8,999,236.79x = 12,418,938.72 × 5,079,817.94
  4. Step 4: Simplify right side
    8,999,236.79x = 63,085,947,643,521.95
  5. Step 5: Solve for x
    x = 63,085,947,643,521.95/8,999,236.79
  6. Step 6: Final answer
    x = 7,010,144.21

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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.