Home / 21,948,990.66-30,287,399.74-12,157,605.26

Finding the Fourth Proportional to 21,948,990.66, 30,287,399.74 and 12,157,605.26

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Solution

The fourth proportional to 21,948,990.66, 30,287,399.74 and 12,157,605.26 is: 16,776,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948,990.66 : 30,287,399.74 = 12,157,605.26 : x
  2. Step 2: Convert to fraction form
    21,948,990.66/30,287,399.74 = 12,157,605.26/x
  3. Step 3: Cross multiply
    21,948,990.66x = 30,287,399.74 × 12,157,605.26
  4. Step 4: Simplify right side
    21,948,990.66x = 368,222,250,390,746.62
  5. Step 5: Solve for x
    x = 368,222,250,390,746.62/21,948,990.66
  6. Step 6: Final answer
    x = 16,776,272.59

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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.