Home / 18,056,838.66-27,069,314.58-13,815,939.48

Finding the Fourth Proportional to 18,056,838.66, 27,069,314.58 and 13,815,939.48

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Solution

The fourth proportional to 18,056,838.66, 27,069,314.58 and 13,815,939.48 is: 20,711,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056,838.66 : 27,069,314.58 = 13,815,939.48 : x
  2. Step 2: Convert to fraction form
    18,056,838.66/27,069,314.58 = 13,815,939.48/x
  3. Step 3: Cross multiply
    18,056,838.66x = 27,069,314.58 × 13,815,939.48
  4. Step 4: Simplify right side
    18,056,838.66x = 373,988,011,939,702.12
  5. Step 5: Solve for x
    x = 373,988,011,939,702.12/18,056,838.66
  6. Step 6: Final answer
    x = 20,711,710.34

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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.