Home / 19,683,181.32-27,162,807.13-10,981,355.26

Finding the Fourth Proportional to 19,683,181.32, 27,162,807.13 and 10,981,355.26

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Solution

The fourth proportional to 19,683,181.32, 27,162,807.13 and 10,981,355.26 is: 15,154,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683,181.32 : 27,162,807.13 = 10,981,355.26 : x
  2. Step 2: Convert to fraction form
    19,683,181.32/27,162,807.13 = 10,981,355.26/x
  3. Step 3: Cross multiply
    19,683,181.32x = 27,162,807.13 × 10,981,355.26
  4. Step 4: Simplify right side
    19,683,181.32x = 298,284,434,953,391
  5. Step 5: Solve for x
    x = 298,284,434,953,391/19,683,181.32
  6. Step 6: Final answer
    x = 15,154,279.69

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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.