Home / 7,782,788.80-11,642,690.40-6,838,004.80

Finding the Fourth Proportional to 7,782,788.80, 11,642,690.40 and 6,838,004.80

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Solution

The fourth proportional to 7,782,788.80, 11,642,690.40 and 6,838,004.80 is: 10,229,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,788.80 : 11,642,690.40 = 6,838,004.80 : x
  2. Step 2: Convert to fraction form
    7,782,788.80/11,642,690.40 = 6,838,004.80/x
  3. Step 3: Cross multiply
    7,782,788.80x = 11,642,690.40 × 6,838,004.80
  4. Step 4: Simplify right side
    7,782,788.80x = 79,612,772,840,113.92
  5. Step 5: Solve for x
    x = 79,612,772,840,113.92/7,782,788.80
  6. Step 6: Final answer
    x = 10,229,337.44

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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.