Home / 7,158,216.38-9,878,192.01-3,895,095.74

Finding the Fourth Proportional to 7,158,216.38, 9,878,192.01 and 3,895,095.74

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Solution

The fourth proportional to 7,158,216.38, 9,878,192.01 and 3,895,095.74 is: 5,375,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158,216.38 : 9,878,192.01 = 3,895,095.74 : x
  2. Step 2: Convert to fraction form
    7,158,216.38/9,878,192.01 = 3,895,095.74/x
  3. Step 3: Cross multiply
    7,158,216.38x = 9,878,192.01 × 3,895,095.74
  4. Step 4: Simplify right side
    7,158,216.38x = 38,476,503,617,053.04
  5. Step 5: Solve for x
    x = 38,476,503,617,053.04/7,158,216.38
  6. Step 6: Final answer
    x = 5,375,152.35

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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.