Home / 7,772,021.80-11,658,032.70-5,656,949.80

Finding the Fourth Proportional to 7,772,021.80, 11,658,032.70 and 5,656,949.80

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Solution

The fourth proportional to 7,772,021.80, 11,658,032.70 and 5,656,949.80 is: 8,485,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,021.80 : 11,658,032.70 = 5,656,949.80 : x
  2. Step 2: Convert to fraction form
    7,772,021.80/11,658,032.70 = 5,656,949.80/x
  3. Step 3: Cross multiply
    7,772,021.80x = 11,658,032.70 × 5,656,949.80
  4. Step 4: Simplify right side
    7,772,021.80x = 65,948,905,750,658.45
  5. Step 5: Solve for x
    x = 65,948,905,750,658.45/7,772,021.80
  6. Step 6: Final answer
    x = 8,485,424.70

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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.