Home / 10,642,893.60-15,962,785.20-3,069,069.60

Finding the Fourth Proportional to 10,642,893.60, 15,962,785.20 and 3,069,069.60

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Solution

The fourth proportional to 10,642,893.60, 15,962,785.20 and 3,069,069.60 is: 4,603,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642,893.60 : 15,962,785.20 = 3,069,069.60 : x
  2. Step 2: Convert to fraction form
    10,642,893.60/15,962,785.20 = 3,069,069.60/x
  3. Step 3: Cross multiply
    10,642,893.60x = 15,962,785.20 × 3,069,069.60
  4. Step 4: Simplify right side
    10,642,893.60x = 48,990,898,788,649.92
  5. Step 5: Solve for x
    x = 48,990,898,788,649.92/10,642,893.60
  6. Step 6: Final answer
    x = 4,603,155.93

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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.