Home / 20,150,088.93-27,806,815.11-11,329,548.27

Finding the Fourth Proportional to 20,150,088.93, 27,806,815.11 and 11,329,548.27

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Solution

The fourth proportional to 20,150,088.93, 27,806,815.11 and 11,329,548.27 is: 15,634,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150,088.93 : 27,806,815.11 = 11,329,548.27 : x
  2. Step 2: Convert to fraction form
    20,150,088.93/27,806,815.11 = 11,329,548.27/x
  3. Step 3: Cross multiply
    20,150,088.93x = 27,806,815.11 × 11,329,548.27
  4. Step 4: Simplify right side
    20,150,088.93x = 315,038,653,961,920.56
  5. Step 5: Solve for x
    x = 315,038,653,961,920.56/20,150,088.93
  6. Step 6: Final answer
    x = 15,634,603.65

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1.5x scale

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.