Home / 28,036,502.26-38,707,888.17-21,497,569.90

Finding the Fourth Proportional to 28,036,502.26, 38,707,888.17 and 21,497,569.90

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Solution

The fourth proportional to 28,036,502.26, 38,707,888.17 and 21,497,569.90 is: 29,680,076.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036,502.26 : 38,707,888.17 = 21,497,569.90 : x
  2. Step 2: Convert to fraction form
    28,036,502.26/38,707,888.17 = 21,497,569.90/x
  3. Step 3: Cross multiply
    28,036,502.26x = 38,707,888.17 × 21,497,569.90
  4. Step 4: Simplify right side
    28,036,502.26x = 832,125,531,615,958.12
  5. Step 5: Solve for x
    x = 832,125,531,615,958.12/28,036,502.26
  6. Step 6: Final answer
    x = 29,680,076.49

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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.