Home / 18,378,558.90-27,567,838.35-18,095,123.70

Finding the Fourth Proportional to 18,378,558.90, 27,567,838.35 and 18,095,123.70

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Solution

The fourth proportional to 18,378,558.90, 27,567,838.35 and 18,095,123.70 is: 27,142,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,558.90 : 27,567,838.35 = 18,095,123.70 : x
  2. Step 2: Convert to fraction form
    18,378,558.90/27,567,838.35 = 18,095,123.70/x
  3. Step 3: Cross multiply
    18,378,558.90x = 27,567,838.35 × 18,095,123.70
  4. Step 4: Simplify right side
    18,378,558.90x = 498,843,445,084,853.88
  5. Step 5: Solve for x
    x = 498,843,445,084,853.88/18,378,558.90
  6. Step 6: Final answer
    x = 27,142,685.55

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1.5x scale

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.