Home / 8,353,421.79-12,530,142.69-2,288,205.81

Finding the Fourth Proportional to 8,353,421.79, 12,530,142.69 and 2,288,205.81

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Solution

The fourth proportional to 8,353,421.79, 12,530,142.69 and 2,288,205.81 is: 3,432,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,421.79 : 12,530,142.69 = 2,288,205.81 : x
  2. Step 2: Convert to fraction form
    8,353,421.79/12,530,142.69 = 2,288,205.81/x
  3. Step 3: Cross multiply
    8,353,421.79x = 12,530,142.69 × 2,288,205.81
  4. Step 4: Simplify right side
    8,353,421.79x = 28,671,545,303,387.03
  5. Step 5: Solve for x
    x = 28,671,545,303,387.03/8,353,421.79
  6. Step 6: Final answer
    x = 3,432,311.46

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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.