Home / 8,138,834.80-12,210,196.20-2,459,114.80

Finding the Fourth Proportional to 8,138,834.80, 12,210,196.20 and 2,459,114.80

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Solution

The fourth proportional to 8,138,834.80, 12,210,196.20 and 2,459,114.80 is: 3,689,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,834.80 : 12,210,196.20 = 2,459,114.80 : x
  2. Step 2: Convert to fraction form
    8,138,834.80/12,210,196.20 = 2,459,114.80/x
  3. Step 3: Cross multiply
    8,138,834.80x = 12,210,196.20 × 2,459,114.80
  4. Step 4: Simplify right side
    8,138,834.80x = 30,026,274,186,323.76
  5. Step 5: Solve for x
    x = 30,026,274,186,323.76/8,138,834.80
  6. Step 6: Final answer
    x = 3,689,259.57

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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.