Home / 13,385,476.22-20,078,690.06-4,286,391.48

Finding the Fourth Proportional to 13,385,476.22, 20,078,690.06 and 4,286,391.48

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Solution

The fourth proportional to 13,385,476.22, 20,078,690.06 and 4,286,391.48 is: 6,429,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385,476.22 : 20,078,690.06 = 4,286,391.48 : x
  2. Step 2: Convert to fraction form
    13,385,476.22/20,078,690.06 = 4,286,391.48/x
  3. Step 3: Cross multiply
    13,385,476.22x = 20,078,690.06 × 4,286,391.48
  4. Step 4: Simplify right side
    13,385,476.22x = 86,065,126,013,460.67
  5. Step 5: Solve for x
    x = 86,065,126,013,460.67/13,385,476.22
  6. Step 6: Final answer
    x = 6,429,739.56

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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.