Home / 28,547,940.24-39,395,101.68-15,494,921.46

Finding the Fourth Proportional to 28,547,940.24, 39,395,101.68 and 15,494,921.46

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Solution

The fourth proportional to 28,547,940.24, 39,395,101.68 and 15,494,921.46 is: 21,382,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,940.24 : 39,395,101.68 = 15,494,921.46 : x
  2. Step 2: Convert to fraction form
    28,547,940.24/39,395,101.68 = 15,494,921.46/x
  3. Step 3: Cross multiply
    28,547,940.24x = 39,395,101.68 × 15,494,921.46
  4. Step 4: Simplify right side
    28,547,940.24x = 610,424,006,440,314.12
  5. Step 5: Solve for x
    x = 610,424,006,440,314.12/28,547,940.24
  6. Step 6: Final answer
    x = 21,382,418.53

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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.