Home / 13,576,259.30-18,735,605.21-7,381,721.90

Finding the Fourth Proportional to 13,576,259.30, 18,735,605.21 and 7,381,721.90

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Solution

The fourth proportional to 13,576,259.30, 18,735,605.21 and 7,381,721.90 is: 10,186,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576,259.30 : 18,735,605.21 = 7,381,721.90 : x
  2. Step 2: Convert to fraction form
    13,576,259.30/18,735,605.21 = 7,381,721.90/x
  3. Step 3: Cross multiply
    13,576,259.30x = 18,735,605.21 × 7,381,721.90
  4. Step 4: Simplify right side
    13,576,259.30x = 138,301,027,288,411.11
  5. Step 5: Solve for x
    x = 138,301,027,288,411.11/13,576,259.30
  6. Step 6: Final answer
    x = 10,186,975.97

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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.