Home / 13,631,298.12-18,810,888.66-7,519,725

Finding the Fourth Proportional to 13,631,298.12, 18,810,888.66 and 7,519,725

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Solution

The fourth proportional to 13,631,298.12, 18,810,888.66 and 7,519,725 is: 10,377,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,298.12 : 18,810,888.66 = 7,519,725 : x
  2. Step 2: Convert to fraction form
    13,631,298.12/18,810,888.66 = 7,519,725/x
  3. Step 3: Cross multiply
    13,631,298.12x = 18,810,888.66 × 7,519,725
  4. Step 4: Simplify right side
    13,631,298.12x = 141,452,709,728,818.50
  5. Step 5: Solve for x
    x = 141,452,709,728,818.50/13,631,298.12
  6. Step 6: Final answer
    x = 10,377,053.49

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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.