Home / 12,065,113.20-18,098,544.60-7,262,461.20

Finding the Fourth Proportional to 12,065,113.20, 18,098,544.60 and 7,262,461.20

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Solution

The fourth proportional to 12,065,113.20, 18,098,544.60 and 7,262,461.20 is: 10,894,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065,113.20 : 18,098,544.60 = 7,262,461.20 : x
  2. Step 2: Convert to fraction form
    12,065,113.20/18,098,544.60 = 7,262,461.20/x
  3. Step 3: Cross multiply
    12,065,113.20x = 18,098,544.60 × 7,262,461.20
  4. Step 4: Simplify right side
    12,065,113.20x = 131,439,977,933,969.53
  5. Step 5: Solve for x
    x = 131,439,977,933,969.53/12,065,113.20
  6. Step 6: Final answer
    x = 10,894,218.38

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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.