Home / 7,920,487.34-10,928,399.16-4,482,728.38

Finding the Fourth Proportional to 7,920,487.34, 10,928,399.16 and 4,482,728.38

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Solution

The fourth proportional to 7,920,487.34, 10,928,399.16 and 4,482,728.38 is: 6,185,104.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,487.34 : 10,928,399.16 = 4,482,728.38 : x
  2. Step 2: Convert to fraction form
    7,920,487.34/10,928,399.16 = 4,482,728.38/x
  3. Step 3: Cross multiply
    7,920,487.34x = 10,928,399.16 × 4,482,728.38
  4. Step 4: Simplify right side
    7,920,487.34x = 48,989,045,006,283.30
  5. Step 5: Solve for x
    x = 48,989,045,006,283.30/7,920,487.34
  6. Step 6: Final answer
    x = 6,185,104.89

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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.