Home / 7,099,121.60-10,642,461.60-4,260,363.20

Finding the Fourth Proportional to 7,099,121.60, 10,642,461.60 and 4,260,363.20

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Solution

The fourth proportional to 7,099,121.60, 10,642,461.60 and 4,260,363.20 is: 6,386,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099,121.60 : 10,642,461.60 = 4,260,363.20 : x
  2. Step 2: Convert to fraction form
    7,099,121.60/10,642,461.60 = 4,260,363.20/x
  3. Step 3: Cross multiply
    7,099,121.60x = 10,642,461.60 × 4,260,363.20
  4. Step 4: Simplify right side
    7,099,121.60x = 45,340,751,758,053.12
  5. Step 5: Solve for x
    x = 45,340,751,758,053.12/7,099,121.60
  6. Step 6: Final answer
    x = 6,386,811.54

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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.