Home / 14,607,360.80-20,157,552.31-7,991,916.80

Finding the Fourth Proportional to 14,607,360.80, 20,157,552.31 and 7,991,916.80

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Solution

The fourth proportional to 14,607,360.80, 20,157,552.31 and 7,991,916.80 is: 11,028,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607,360.80 : 20,157,552.31 = 7,991,916.80 : x
  2. Step 2: Convert to fraction form
    14,607,360.80/20,157,552.31 = 7,991,916.80/x
  3. Step 3: Cross multiply
    14,607,360.80x = 20,157,552.31 × 7,991,916.80
  4. Step 4: Simplify right side
    14,607,360.80x = 161,097,480,897,556.78
  5. Step 5: Solve for x
    x = 161,097,480,897,556.78/14,607,360.80
  6. Step 6: Final answer
    x = 11,028,513.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.