Home / 8,890,208.72-12,270,461.67-5,404,806.89

Finding the Fourth Proportional to 8,890,208.72, 12,270,461.67 and 5,404,806.89

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Solution

The fourth proportional to 8,890,208.72, 12,270,461.67 and 5,404,806.89 is: 7,459,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890,208.72 : 12,270,461.67 = 5,404,806.89 : x
  2. Step 2: Convert to fraction form
    8,890,208.72/12,270,461.67 = 5,404,806.89/x
  3. Step 3: Cross multiply
    8,890,208.72x = 12,270,461.67 × 5,404,806.89
  4. Step 4: Simplify right side
    8,890,208.72x = 66,319,475,777,496.90
  5. Step 5: Solve for x
    x = 66,319,475,777,496.90/8,890,208.72
  6. Step 6: Final answer
    x = 7,459,833.38

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1.5x scale

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.