Home / 13,173,828.28-18,179,491.85-7,293,724

Finding the Fourth Proportional to 13,173,828.28, 18,179,491.85 and 7,293,724

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Solution

The fourth proportional to 13,173,828.28, 18,179,491.85 and 7,293,724 is: 10,065,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,828.28 : 18,179,491.85 = 7,293,724 : x
  2. Step 2: Convert to fraction form
    13,173,828.28/18,179,491.85 = 7,293,724/x
  3. Step 3: Cross multiply
    13,173,828.28x = 18,179,491.85 × 7,293,724
  4. Step 4: Simplify right side
    13,173,828.28x = 132,596,195,977,680.77
  5. Step 5: Solve for x
    x = 132,596,195,977,680.77/13,173,828.28
  6. Step 6: Final answer
    x = 10,065,122.54

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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.