Home / 8,381,835.86-12,628,763.18-7,573,160.21

Finding the Fourth Proportional to 8,381,835.86, 12,628,763.18 and 7,573,160.21

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Solution

The fourth proportional to 8,381,835.86, 12,628,763.18 and 7,573,160.21 is: 11,410,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,835.86 : 12,628,763.18 = 7,573,160.21 : x
  2. Step 2: Convert to fraction form
    8,381,835.86/12,628,763.18 = 7,573,160.21/x
  3. Step 3: Cross multiply
    8,381,835.86x = 12,628,763.18 × 7,573,160.21
  4. Step 4: Simplify right side
    8,381,835.86x = 95,639,646,816,289.06
  5. Step 5: Solve for x
    x = 95,639,646,816,289.06/8,381,835.86
  6. Step 6: Final answer
    x = 11,410,345.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.