Home / 15,000,585.77-20,700,809.04-8,125,067.83

Finding the Fourth Proportional to 15,000,585.77, 20,700,809.04 and 8,125,067.83

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Solution

The fourth proportional to 15,000,585.77, 20,700,809.04 and 8,125,067.83 is: 11,212,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,585.77 : 20,700,809.04 = 8,125,067.83 : x
  2. Step 2: Convert to fraction form
    15,000,585.77/20,700,809.04 = 8,125,067.83/x
  3. Step 3: Cross multiply
    15,000,585.77x = 20,700,809.04 × 8,125,067.83
  4. Step 4: Simplify right side
    15,000,585.77x = 168,195,477,603,408.16
  5. Step 5: Solve for x
    x = 168,195,477,603,408.16/15,000,585.77
  6. Step 6: Final answer
    x = 11,212,593.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.