Home / 7,787,881.80-11,681,822.70-4,428,649.80

Finding the Fourth Proportional to 7,787,881.80, 11,681,822.70 and 4,428,649.80

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Solution

The fourth proportional to 7,787,881.80, 11,681,822.70 and 4,428,649.80 is: 6,642,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787,881.80 : 11,681,822.70 = 4,428,649.80 : x
  2. Step 2: Convert to fraction form
    7,787,881.80/11,681,822.70 = 4,428,649.80/x
  3. Step 3: Cross multiply
    7,787,881.80x = 11,681,822.70 × 4,428,649.80
  4. Step 4: Simplify right side
    7,787,881.80x = 51,734,701,763,990.45
  5. Step 5: Solve for x
    x = 51,734,701,763,990.45/7,787,881.80
  6. Step 6: Final answer
    x = 6,642,974.70

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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.