Home / 21,428,569.97-32,143,521.56-10,196,027.25

Finding the Fourth Proportional to 21,428,569.97, 32,143,521.56 and 10,196,027.25

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Solution

The fourth proportional to 21,428,569.97, 32,143,521.56 and 10,196,027.25 is: 15,294,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,428,569.97 : 32,143,521.56 = 10,196,027.25 : x
  2. Step 2: Convert to fraction form
    21,428,569.97/32,143,521.56 = 10,196,027.25/x
  3. Step 3: Cross multiply
    21,428,569.97x = 32,143,521.56 × 10,196,027.25
  4. Step 4: Simplify right side
    21,428,569.97x = 327,736,221,736,722.50
  5. Step 5: Solve for x
    x = 327,736,221,736,722.50/21,428,569.97
  6. Step 6: Final answer
    x = 15,294,358.06

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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.