Home / 10,990,855.40-16,478,603.10-6,500,820.20

Finding the Fourth Proportional to 10,990,855.40, 16,478,603.10 and 6,500,820.20

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Solution

The fourth proportional to 10,990,855.40, 16,478,603.10 and 6,500,820.20 is: 9,746,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,855.40 : 16,478,603.10 = 6,500,820.20 : x
  2. Step 2: Convert to fraction form
    10,990,855.40/16,478,603.10 = 6,500,820.20/x
  3. Step 3: Cross multiply
    10,990,855.40x = 16,478,603.10 × 6,500,820.20
  4. Step 4: Simplify right side
    10,990,855.40x = 107,124,435,900,262.62
  5. Step 5: Solve for x
    x = 107,124,435,900,262.62/10,990,855.40
  6. Step 6: Final answer
    x = 9,746,687.77

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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.