Home / 7,000,543.85-10,500,815.78-1,951,854.35

Finding the Fourth Proportional to 7,000,543.85, 10,500,815.78 and 1,951,854.35

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Solution

The fourth proportional to 7,000,543.85, 10,500,815.78 and 1,951,854.35 is: 2,927,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,543.85 : 10,500,815.78 = 1,951,854.35 : x
  2. Step 2: Convert to fraction form
    7,000,543.85/10,500,815.78 = 1,951,854.35/x
  3. Step 3: Cross multiply
    7,000,543.85x = 10,500,815.78 × 1,951,854.35
  4. Step 4: Simplify right side
    7,000,543.85x = 20,496,062,948,982.37
  5. Step 5: Solve for x
    x = 20,496,062,948,982.37/7,000,543.85
  6. Step 6: Final answer
    x = 2,927,781.53

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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.