Home / 13,013,562.94-17,958,718.53-7,212,719.18

Finding the Fourth Proportional to 13,013,562.94, 17,958,718.53 and 7,212,719.18

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Solution

The fourth proportional to 13,013,562.94, 17,958,718.53 and 7,212,719.18 is: 9,953,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,562.94 : 17,958,718.53 = 7,212,719.18 : x
  2. Step 2: Convert to fraction form
    13,013,562.94/17,958,718.53 = 7,212,719.18/x
  3. Step 3: Cross multiply
    13,013,562.94x = 17,958,718.53 × 7,212,719.18
  4. Step 4: Simplify right side
    13,013,562.94x = 129,531,193,589,552.41
  5. Step 5: Solve for x
    x = 129,531,193,589,552.41/13,013,562.94
  6. Step 6: Final answer
    x = 9,953,553.40

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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.