Home / 36,009,102.80-54,015,975.21-12,662,981.69

Finding the Fourth Proportional to 36,009,102.80, 54,015,975.21 and 12,662,981.69

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Solution

The fourth proportional to 36,009,102.80, 54,015,975.21 and 12,662,981.69 is: 18,995,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009,102.80 : 54,015,975.21 = 12,662,981.69 : x
  2. Step 2: Convert to fraction form
    36,009,102.80/54,015,975.21 = 12,662,981.69/x
  3. Step 3: Cross multiply
    36,009,102.80x = 54,015,975.21 × 12,662,981.69
  4. Step 4: Simplify right side
    36,009,102.80x = 684,003,304,829,130.25
  5. Step 5: Solve for x
    x = 684,003,304,829,130.25/36,009,102.80
  6. Step 6: Final answer
    x = 18,995,288.74

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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.