Home / 21,727,543.57-29,976,594.49-13,464,590.95

Finding the Fourth Proportional to 21,727,543.57, 29,976,594.49 and 13,464,590.95

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Solution

The fourth proportional to 21,727,543.57, 29,976,594.49 and 13,464,590.95 is: 18,576,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727,543.57 : 29,976,594.49 = 13,464,590.95 : x
  2. Step 2: Convert to fraction form
    21,727,543.57/29,976,594.49 = 13,464,590.95/x
  3. Step 3: Cross multiply
    21,727,543.57x = 29,976,594.49 × 13,464,590.95
  4. Step 4: Simplify right side
    21,727,543.57x = 403,622,582,881,873.81
  5. Step 5: Solve for x
    x = 403,622,582,881,873.81/21,727,543.57
  6. Step 6: Final answer
    x = 18,576,540.03

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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.