Home / 9,289,969.44-12,820,966.30-5,160,803.82

Finding the Fourth Proportional to 9,289,969.44, 12,820,966.30 and 5,160,803.82

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Solution

The fourth proportional to 9,289,969.44, 12,820,966.30 and 5,160,803.82 is: 7,122,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289,969.44 : 12,820,966.30 = 5,160,803.82 : x
  2. Step 2: Convert to fraction form
    9,289,969.44/12,820,966.30 = 5,160,803.82/x
  3. Step 3: Cross multiply
    9,289,969.44x = 12,820,966.30 × 5,160,803.82
  4. Step 4: Simplify right side
    9,289,969.44x = 66,166,491,857,131.27
  5. Step 5: Solve for x
    x = 66,166,491,857,131.27/9,289,969.44
  6. Step 6: Final answer
    x = 7,122,358.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.