Home / 36,886,642.80-55,363,425.30-18,703,487.40

Finding the Fourth Proportional to 36,886,642.80, 55,363,425.30 and 18,703,487.40

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Solution

The fourth proportional to 36,886,642.80, 55,363,425.30 and 18,703,487.40 is: 28,072,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886,642.80 : 55,363,425.30 = 18,703,487.40 : x
  2. Step 2: Convert to fraction form
    36,886,642.80/55,363,425.30 = 18,703,487.40/x
  3. Step 3: Cross multiply
    36,886,642.80x = 55,363,425.30 × 18,703,487.40
  4. Step 4: Simplify right side
    36,886,642.80x = 1,035,489,127,519,391.12
  5. Step 5: Solve for x
    x = 1,035,489,127,519,391.12/36,886,642.80
  6. Step 6: Final answer
    x = 28,072,197.66

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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.