Home / 21,820,371.75-32,730,721.71-9,686,573.17

Finding the Fourth Proportional to 21,820,371.75, 32,730,721.71 and 9,686,573.17

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Solution

The fourth proportional to 21,820,371.75, 32,730,721.71 and 9,686,573.17 is: 14,529,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,820,371.75 : 32,730,721.71 = 9,686,573.17 : x
  2. Step 2: Convert to fraction form
    21,820,371.75/32,730,721.71 = 9,686,573.17/x
  3. Step 3: Cross multiply
    21,820,371.75x = 32,730,721.71 × 9,686,573.17
  4. Step 4: Simplify right side
    21,820,371.75x = 317,048,530,632,671.06
  5. Step 5: Solve for x
    x = 317,048,530,632,671.06/21,820,371.75
  6. Step 6: Final answer
    x = 14,529,932.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.