Home / 8,530,432.84-12,797,364.23-3,139,111.52

Finding the Fourth Proportional to 8,530,432.84, 12,797,364.23 and 3,139,111.52

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Solution

The fourth proportional to 8,530,432.84, 12,797,364.23 and 3,139,111.52 is: 4,709,298.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,432.84 : 12,797,364.23 = 3,139,111.52 : x
  2. Step 2: Convert to fraction form
    8,530,432.84/12,797,364.23 = 3,139,111.52/x
  3. Step 3: Cross multiply
    8,530,432.84x = 12,797,364.23 × 3,139,111.52
  4. Step 4: Simplify right side
    8,530,432.84x = 40,172,353,480,028.93
  5. Step 5: Solve for x
    x = 40,172,353,480,028.93/8,530,432.84
  6. Step 6: Final answer
    x = 4,709,298.37

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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.