Home / 18,434,896.68-25,433,061.90-11,547,388.20

Finding the Fourth Proportional to 18,434,896.68, 25,433,061.90 and 11,547,388.20

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Solution

The fourth proportional to 18,434,896.68, 25,433,061.90 and 11,547,388.20 is: 15,930,951.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434,896.68 : 25,433,061.90 = 11,547,388.20 : x
  2. Step 2: Convert to fraction form
    18,434,896.68/25,433,061.90 = 11,547,388.20/x
  3. Step 3: Cross multiply
    18,434,896.68x = 25,433,061.90 × 11,547,388.20
  4. Step 4: Simplify right side
    18,434,896.68x = 293,685,438,873,929.56
  5. Step 5: Solve for x
    x = 293,685,438,873,929.56/18,434,896.68
  6. Step 6: Final answer
    x = 15,930,951.17

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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.