Home / 36,749,990.70-55,133,290.80-12,157,859.64

Finding the Fourth Proportional to 36,749,990.70, 55,133,290.80 and 12,157,859.64

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Solution

The fourth proportional to 36,749,990.70, 55,133,290.80 and 12,157,859.64 is: 18,239,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,749,990.70 : 55,133,290.80 = 12,157,859.64 : x
  2. Step 2: Convert to fraction form
    36,749,990.70/55,133,290.80 = 12,157,859.64/x
  3. Step 3: Cross multiply
    36,749,990.70x = 55,133,290.80 × 12,157,859.64
  4. Step 4: Simplify right side
    36,749,990.70x = 670,302,811,037,703.25
  5. Step 5: Solve for x
    x = 670,302,811,037,703.25/36,749,990.70
  6. Step 6: Final answer
    x = 18,239,536.89

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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.