Home / 15,891,184.72-21,932,195.88-9,362,727.28

Finding the Fourth Proportional to 15,891,184.72, 21,932,195.88 and 9,362,727.28

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Solution

The fourth proportional to 15,891,184.72, 21,932,195.88 and 9,362,727.28 is: 12,921,954.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,891,184.72 : 21,932,195.88 = 9,362,727.28 : x
  2. Step 2: Convert to fraction form
    15,891,184.72/21,932,195.88 = 9,362,727.28/x
  3. Step 3: Cross multiply
    15,891,184.72x = 21,932,195.88 × 9,362,727.28
  4. Step 4: Simplify right side
    15,891,184.72x = 205,345,168,675,979.59
  5. Step 5: Solve for x
    x = 205,345,168,675,979.59/15,891,184.72
  6. Step 6: Final answer
    x = 12,921,954.67

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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.