Home / 8,321,954.40-12,461,936.40-6,642,338.40

Finding the Fourth Proportional to 8,321,954.40, 12,461,936.40 and 6,642,338.40

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Solution

The fourth proportional to 8,321,954.40, 12,461,936.40 and 6,642,338.40 is: 9,946,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,954.40 : 12,461,936.40 = 6,642,338.40 : x
  2. Step 2: Convert to fraction form
    8,321,954.40/12,461,936.40 = 6,642,338.40/x
  3. Step 3: Cross multiply
    8,321,954.40x = 12,461,936.40 × 6,642,338.40
  4. Step 4: Simplify right side
    8,321,954.40x = 82,776,398,688,077.77
  5. Step 5: Solve for x
    x = 82,776,398,688,077.77/8,321,954.40
  6. Step 6: Final answer
    x = 9,946,749.85

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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.