Home / 36,886,868.80-55,363,764.30-18,703,713.40

Finding the Fourth Proportional to 36,886,868.80, 55,363,764.30 and 18,703,713.40

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Solution

The fourth proportional to 36,886,868.80, 55,363,764.30 and 18,703,713.40 is: 28,072,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886,868.80 : 55,363,764.30 = 18,703,713.40 : x
  2. Step 2: Convert to fraction form
    36,886,868.80/55,363,764.30 = 18,703,713.40/x
  3. Step 3: Cross multiply
    36,886,868.80x = 55,363,764.30 × 18,703,713.40
  4. Step 4: Simplify right side
    36,886,868.80x = 1,035,507,980,212,351.50
  5. Step 5: Solve for x
    x = 1,035,507,980,212,351.50/36,886,868.80
  6. Step 6: Final answer
    x = 28,072,536.76

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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.