Home / 13,500,862.38-18,631,239.30-7,305,908.40

Finding the Fourth Proportional to 13,500,862.38, 18,631,239.30 and 7,305,908.40

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Solution

The fourth proportional to 13,500,862.38, 18,631,239.30 and 7,305,908.40 is: 10,082,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,862.38 : 18,631,239.30 = 7,305,908.40 : x
  2. Step 2: Convert to fraction form
    13,500,862.38/18,631,239.30 = 7,305,908.40/x
  3. Step 3: Cross multiply
    13,500,862.38x = 18,631,239.30 × 7,305,908.40
  4. Step 4: Simplify right side
    13,500,862.38x = 136,118,127,704,280.12
  5. Step 5: Solve for x
    x = 136,118,127,704,280.12/13,500,862.38
  6. Step 6: Final answer
    x = 10,082,180.22

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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.