Home / 36,872,967.80-55,342,912.80-18,689,812.40

Finding the Fourth Proportional to 36,872,967.80, 55,342,912.80 and 18,689,812.40

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Solution

The fourth proportional to 36,872,967.80, 55,342,912.80 and 18,689,812.40 is: 28,051,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872,967.80 : 55,342,912.80 = 18,689,812.40 : x
  2. Step 2: Convert to fraction form
    36,872,967.80/55,342,912.80 = 18,689,812.40/x
  3. Step 3: Cross multiply
    36,872,967.80x = 55,342,912.80 × 18,689,812.40
  4. Step 4: Simplify right side
    36,872,967.80x = 1,034,348,657,901,558.62
  5. Step 5: Solve for x
    x = 1,034,348,657,901,558.62/36,872,967.80
  6. Step 6: Final answer
    x = 28,051,679.04

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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.