Home / 7,800,627.90-11,685,195.45-4,430,898.30

Finding the Fourth Proportional to 7,800,627.90, 11,685,195.45 and 4,430,898.30

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Solution

The fourth proportional to 7,800,627.90, 11,685,195.45 and 4,430,898.30 is: 6,637,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,627.90 : 11,685,195.45 = 4,430,898.30 : x
  2. Step 2: Convert to fraction form
    7,800,627.90/11,685,195.45 = 4,430,898.30/x
  3. Step 3: Cross multiply
    7,800,627.90x = 11,685,195.45 × 4,430,898.30
  4. Step 4: Simplify right side
    7,800,627.90x = 51,775,912,654,572.73
  5. Step 5: Solve for x
    x = 51,775,912,654,572.73/7,800,627.90
  6. Step 6: Final answer
    x = 6,637,403.21

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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.