Home / 25,988,118.33-35,857,869.75-15,386,243.86

Finding the Fourth Proportional to 25,988,118.33, 35,857,869.75 and 15,386,243.86

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Solution

The fourth proportional to 25,988,118.33, 35,857,869.75 and 15,386,243.86 is: 21,229,621.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,988,118.33 : 35,857,869.75 = 15,386,243.86 : x
  2. Step 2: Convert to fraction form
    25,988,118.33/35,857,869.75 = 15,386,243.86/x
  3. Step 3: Cross multiply
    25,988,118.33x = 35,857,869.75 × 15,386,243.86
  4. Step 4: Simplify right side
    25,988,118.33x = 551,717,928,376,137.94
  5. Step 5: Solve for x
    x = 551,717,928,376,137.94/25,988,118.33
  6. Step 6: Final answer
    x = 21,229,621.99

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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.