Home / 15,205,009.94-20,983,435.80-8,329,490.18

Finding the Fourth Proportional to 15,205,009.94, 20,983,435.80 and 8,329,490.18

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Solution

The fourth proportional to 15,205,009.94, 20,983,435.80 and 8,329,490.18 is: 11,494,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,009.94 : 20,983,435.80 = 8,329,490.18 : x
  2. Step 2: Convert to fraction form
    15,205,009.94/20,983,435.80 = 8,329,490.18/x
  3. Step 3: Cross multiply
    15,205,009.94x = 20,983,435.80 × 8,329,490.18
  4. Step 4: Simplify right side
    15,205,009.94x = 174,781,322,438,760.44
  5. Step 5: Solve for x
    x = 174,781,322,438,760.44/15,205,009.94
  6. Step 6: Final answer
    x = 11,494,982.45

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Double scale
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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.