Home / 10,197,878.82-15,292,329.41-5,404,445.03

Finding the Fourth Proportional to 10,197,878.82, 15,292,329.41 and 5,404,445.03

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Solution

The fourth proportional to 10,197,878.82, 15,292,329.41 and 5,404,445.03 is: 8,104,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197,878.82 : 15,292,329.41 = 5,404,445.03 : x
  2. Step 2: Convert to fraction form
    10,197,878.82/15,292,329.41 = 5,404,445.03/x
  3. Step 3: Cross multiply
    10,197,878.82x = 15,292,329.41 × 5,404,445.03
  4. Step 4: Simplify right side
    10,197,878.82x = 82,646,553,642,719.92
  5. Step 5: Solve for x
    x = 82,646,553,642,719.92/10,197,878.82
  6. Step 6: Final answer
    x = 8,104,288.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.