Home / 8,880,961.72-12,255,043.08-5,013,865.12

Finding the Fourth Proportional to 8,880,961.72, 12,255,043.08 and 5,013,865.12

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Solution

The fourth proportional to 8,880,961.72, 12,255,043.08 and 5,013,865.12 is: 6,918,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880,961.72 : 12,255,043.08 = 5,013,865.12 : x
  2. Step 2: Convert to fraction form
    8,880,961.72/12,255,043.08 = 5,013,865.12/x
  3. Step 3: Cross multiply
    8,880,961.72x = 12,255,043.08 × 5,013,865.12
  4. Step 4: Simplify right side
    8,880,961.72x = 61,445,133,042,909.38
  5. Step 5: Solve for x
    x = 61,445,133,042,909.38/8,880,961.72
  6. Step 6: Final answer
    x = 6,918,747.65

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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.