Home / 14,515,195.64-20,030,971.80-7,899,809

Finding the Fourth Proportional to 14,515,195.64, 20,030,971.80 and 7,899,809

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Solution

The fourth proportional to 14,515,195.64, 20,030,971.80 and 7,899,809 is: 10,901,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515,195.64 : 20,030,971.80 = 7,899,809 : x
  2. Step 2: Convert to fraction form
    14,515,195.64/20,030,971.80 = 7,899,809/x
  3. Step 3: Cross multiply
    14,515,195.64x = 20,030,971.80 × 7,899,809
  4. Step 4: Simplify right side
    14,515,195.64x = 158,240,851,304,386.22
  5. Step 5: Solve for x
    x = 158,240,851,304,386.22/14,515,195.64
  6. Step 6: Final answer
    x = 10,901,737.41

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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.