Home / 19,683,180.32-27,162,805.75-10,981,354.26

Finding the Fourth Proportional to 19,683,180.32, 27,162,805.75 and 10,981,354.26

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Solution

The fourth proportional to 19,683,180.32, 27,162,805.75 and 10,981,354.26 is: 15,154,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683,180.32 : 27,162,805.75 = 10,981,354.26 : x
  2. Step 2: Convert to fraction form
    19,683,180.32/27,162,805.75 = 10,981,354.26/x
  3. Step 3: Cross multiply
    19,683,180.32x = 27,162,805.75 × 10,981,354.26
  4. Step 4: Simplify right side
    19,683,180.32x = 298,284,392,710,722.12
  5. Step 5: Solve for x
    x = 298,284,392,710,722.12/19,683,180.32
  6. Step 6: Final answer
    x = 15,154,278.32

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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.