Home / 10,603,615.23-15,891,956.39-5,485,083.89

Finding the Fourth Proportional to 10,603,615.23, 15,891,956.39 and 5,485,083.89

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Solution

The fourth proportional to 10,603,615.23, 15,891,956.39 and 5,485,083.89 is: 8,220,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603,615.23 : 15,891,956.39 = 5,485,083.89 : x
  2. Step 2: Convert to fraction form
    10,603,615.23/15,891,956.39 = 5,485,083.89/x
  3. Step 3: Cross multiply
    10,603,615.23x = 15,891,956.39 × 5,485,083.89
  4. Step 4: Simplify right side
    10,603,615.23x = 87,168,713,909,624.48
  5. Step 5: Solve for x
    x = 87,168,713,909,624.48/10,603,615.23
  6. Step 6: Final answer
    x = 8,220,659.84

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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.