Home / 8,084,730.20-12,127,095.30-7,340,712.80

Finding the Fourth Proportional to 8,084,730.20, 12,127,095.30 and 7,340,712.80

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Solution

The fourth proportional to 8,084,730.20, 12,127,095.30 and 7,340,712.80 is: 11,011,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084,730.20 : 12,127,095.30 = 7,340,712.80 : x
  2. Step 2: Convert to fraction form
    8,084,730.20/12,127,095.30 = 7,340,712.80/x
  3. Step 3: Cross multiply
    8,084,730.20x = 12,127,095.30 × 7,340,712.80
  4. Step 4: Simplify right side
    8,084,730.20x = 89,021,523,695,529.84
  5. Step 5: Solve for x
    x = 89,021,523,695,529.84/8,084,730.20
  6. Step 6: Final answer
    x = 11,011,069.20

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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.