Home / 13,932,931.25-20,891,118.42-5,297,663.14

Finding the Fourth Proportional to 13,932,931.25, 20,891,118.42 and 5,297,663.14

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Solution

The fourth proportional to 13,932,931.25, 20,891,118.42 and 5,297,663.14 is: 7,943,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932,931.25 : 20,891,118.42 = 5,297,663.14 : x
  2. Step 2: Convert to fraction form
    13,932,931.25/20,891,118.42 = 5,297,663.14/x
  3. Step 3: Cross multiply
    13,932,931.25x = 20,891,118.42 × 5,297,663.14
  4. Step 4: Simplify right side
    13,932,931.25x = 110,674,107,954,781.25
  5. Step 5: Solve for x
    x = 110,674,107,954,781.25/13,932,931.25
  6. Step 6: Final answer
    x = 7,943,347.02

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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.