Home / 12,436,761.40-18,683,135.70-12,100,838.20

Finding the Fourth Proportional to 12,436,761.40, 18,683,135.70 and 12,100,838.20

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Solution

The fourth proportional to 12,436,761.40, 18,683,135.70 and 12,100,838.20 is: 18,178,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,761.40 : 18,683,135.70 = 12,100,838.20 : x
  2. Step 2: Convert to fraction form
    12,436,761.40/18,683,135.70 = 12,100,838.20/x
  3. Step 3: Cross multiply
    12,436,761.40x = 18,683,135.70 × 12,100,838.20
  4. Step 4: Simplify right side
    12,436,761.40x = 226,081,602,174,343.72
  5. Step 5: Solve for x
    x = 226,081,602,174,343.72/12,436,761.40
  6. Step 6: Final answer
    x = 18,178,494.78

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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.