Home / 12,661,642.28-17,473,072.92-6,860,428.58

Finding the Fourth Proportional to 12,661,642.28, 17,473,072.92 and 6,860,428.58

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Solution

The fourth proportional to 12,661,642.28, 17,473,072.92 and 6,860,428.58 is: 9,467,395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661,642.28 : 17,473,072.92 = 6,860,428.58 : x
  2. Step 2: Convert to fraction form
    12,661,642.28/17,473,072.92 = 6,860,428.58/x
  3. Step 3: Cross multiply
    12,661,642.28x = 17,473,072.92 × 6,860,428.58
  4. Step 4: Simplify right side
    12,661,642.28x = 119,872,768,840,792.06
  5. Step 5: Solve for x
    x = 119,872,768,840,792.06/12,661,642.28
  6. Step 6: Final answer
    x = 9,467,395.00

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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.