Home / 6,909,957.20-10,365,713.40-2,117,608.40

Finding the Fourth Proportional to 6,909,957.20, 10,365,713.40 and 2,117,608.40

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Solution

The fourth proportional to 6,909,957.20, 10,365,713.40 and 2,117,608.40 is: 3,176,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,957.20 : 10,365,713.40 = 2,117,608.40 : x
  2. Step 2: Convert to fraction form
    6,909,957.20/10,365,713.40 = 2,117,608.40/x
  3. Step 3: Cross multiply
    6,909,957.20x = 10,365,713.40 × 2,117,608.40
  4. Step 4: Simplify right side
    6,909,957.20x = 21,950,521,767,832.56
  5. Step 5: Solve for x
    x = 21,950,521,767,832.56/6,909,957.20
  6. Step 6: Final answer
    x = 3,176,650.90

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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.