Home / 18,275,053.65-25,216,849.32-11,312,734.29

Finding the Fourth Proportional to 18,275,053.65, 25,216,849.32 and 11,312,734.29

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Solution

The fourth proportional to 18,275,053.65, 25,216,849.32 and 11,312,734.29 is: 15,609,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275,053.65 : 25,216,849.32 = 11,312,734.29 : x
  2. Step 2: Convert to fraction form
    18,275,053.65/25,216,849.32 = 11,312,734.29/x
  3. Step 3: Cross multiply
    18,275,053.65x = 25,216,849.32 × 11,312,734.29
  4. Step 4: Simplify right side
    18,275,053.65x = 285,271,515,988,127.19
  5. Step 5: Solve for x
    x = 285,271,515,988,127.19/18,275,053.65
  6. Step 6: Final answer
    x = 15,609,886.65

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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.