Home / 8,857,222.94-12,223,870.72-5,421,734.30

Finding the Fourth Proportional to 8,857,222.94, 12,223,870.72 and 5,421,734.30

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Solution

The fourth proportional to 8,857,222.94, 12,223,870.72 and 5,421,734.30 is: 7,482,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,222.94 : 12,223,870.72 = 5,421,734.30 : x
  2. Step 2: Convert to fraction form
    8,857,222.94/12,223,870.72 = 5,421,734.30/x
  3. Step 3: Cross multiply
    8,857,222.94x = 12,223,870.72 × 5,421,734.30
  4. Step 4: Simplify right side
    8,857,222.94x = 66,274,579,161,389.70
  5. Step 5: Solve for x
    x = 66,274,579,161,389.70/8,857,222.94
  6. Step 6: Final answer
    x = 7,482,546.12

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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.