Home / 15,205,008.94-20,983,434.42-8,329,489.18

Finding the Fourth Proportional to 15,205,008.94, 20,983,434.42 and 8,329,489.18

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Solution

The fourth proportional to 15,205,008.94, 20,983,434.42 and 8,329,489.18 is: 11,494,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,008.94 : 20,983,434.42 = 8,329,489.18 : x
  2. Step 2: Convert to fraction form
    15,205,008.94/20,983,434.42 = 8,329,489.18/x
  3. Step 3: Cross multiply
    15,205,008.94x = 20,983,434.42 × 8,329,489.18
  4. Step 4: Simplify right side
    15,205,008.94x = 174,781,289,960,629.59
  5. Step 5: Solve for x
    x = 174,781,289,960,629.59/15,205,008.94
  6. Step 6: Final answer
    x = 11,494,981.07

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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.