Home / 13,631,307.12-18,810,901.08-7,519,734

Finding the Fourth Proportional to 13,631,307.12, 18,810,901.08 and 7,519,734

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Solution

The fourth proportional to 13,631,307.12, 18,810,901.08 and 7,519,734 is: 10,377,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,307.12 : 18,810,901.08 = 7,519,734 : x
  2. Step 2: Convert to fraction form
    13,631,307.12/18,810,901.08 = 7,519,734/x
  3. Step 3: Cross multiply
    13,631,307.12x = 18,810,901.08 × 7,519,734
  4. Step 4: Simplify right side
    13,631,307.12x = 141,452,972,421,912.72
  5. Step 5: Solve for x
    x = 141,452,972,421,912.72/13,631,307.12
  6. Step 6: Final answer
    x = 10,377,065.91

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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.