Home / 8,421,086.70-12,608,010.45-8,184,890.70

Finding the Fourth Proportional to 8,421,086.70, 12,608,010.45 and 8,184,890.70

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Solution

The fourth proportional to 8,421,086.70, 12,608,010.45 and 8,184,890.70 is: 12,254,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,086.70 : 12,608,010.45 = 8,184,890.70 : x
  2. Step 2: Convert to fraction form
    8,421,086.70/12,608,010.45 = 8,184,890.70/x
  3. Step 3: Cross multiply
    8,421,086.70x = 12,608,010.45 × 8,184,890.70
  4. Step 4: Simplify right side
    8,421,086.70x = 103,195,187,477,707.81
  5. Step 5: Solve for x
    x = 103,195,187,477,707.81/8,421,086.70
  6. Step 6: Final answer
    x = 12,254,378.94

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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.