Home / 12,320,878.41-17,002,925.06-6,813,968.67

Finding the Fourth Proportional to 12,320,878.41, 17,002,925.06 and 6,813,968.67

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Solution

The fourth proportional to 12,320,878.41, 17,002,925.06 and 6,813,968.67 is: 9,403,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,878.41 : 17,002,925.06 = 6,813,968.67 : x
  2. Step 2: Convert to fraction form
    12,320,878.41/17,002,925.06 = 6,813,968.67/x
  3. Step 3: Cross multiply
    12,320,878.41x = 17,002,925.06 × 6,813,968.67
  4. Step 4: Simplify right side
    12,320,878.41x = 115,857,398,623,128.03
  5. Step 5: Solve for x
    x = 115,857,398,623,128.03/12,320,878.41
  6. Step 6: Final answer
    x = 9,403,339.17

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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.