Home / 8,988,894.60-13,455,348.30-5,191,096.20

Finding the Fourth Proportional to 8,988,894.60, 13,455,348.30 and 5,191,096.20

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Solution

The fourth proportional to 8,988,894.60, 13,455,348.30 and 5,191,096.20 is: 7,770,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988,894.60 : 13,455,348.30 = 5,191,096.20 : x
  2. Step 2: Convert to fraction form
    8,988,894.60/13,455,348.30 = 5,191,096.20/x
  3. Step 3: Cross multiply
    8,988,894.60x = 13,455,348.30 × 5,191,096.20
  4. Step 4: Simplify right side
    8,988,894.60x = 69,848,007,429,806.47
  5. Step 5: Solve for x
    x = 69,848,007,429,806.47/8,988,894.60
  6. Step 6: Final answer
    x = 7,770,477.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.