Home / 8,321,803.70-12,483,677.55-2,642,602.10

Finding the Fourth Proportional to 8,321,803.70, 12,483,677.55 and 2,642,602.10

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Solution

The fourth proportional to 8,321,803.70, 12,483,677.55 and 2,642,602.10 is: 3,964,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,803.70 : 12,483,677.55 = 2,642,602.10 : x
  2. Step 2: Convert to fraction form
    8,321,803.70/12,483,677.55 = 2,642,602.10/x
  3. Step 3: Cross multiply
    8,321,803.70x = 12,483,677.55 × 2,642,602.10
  4. Step 4: Simplify right side
    8,321,803.70x = 32,989,392,509,352.86
  5. Step 5: Solve for x
    x = 32,989,392,509,352.86/8,321,803.70
  6. Step 6: Final answer
    x = 3,964,211.81

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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.