Home / 8,125,628.10-12,191,552.55-7,998,101.70

Finding the Fourth Proportional to 8,125,628.10, 12,191,552.55 and 7,998,101.70

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Solution

The fourth proportional to 8,125,628.10, 12,191,552.55 and 7,998,101.70 is: 12,000,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125,628.10 : 12,191,552.55 = 7,998,101.70 : x
  2. Step 2: Convert to fraction form
    8,125,628.10/12,191,552.55 = 7,998,101.70/x
  3. Step 3: Cross multiply
    8,125,628.10x = 12,191,552.55 × 7,998,101.70
  4. Step 4: Simplify right side
    8,125,628.10x = 97,509,277,175,794.34
  5. Step 5: Solve for x
    x = 97,509,277,175,794.34/8,125,628.10
  6. Step 6: Final answer
    x = 12,000,214.13

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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.