Home / 13,280,885.08-18,336,083.59-10,839,320.11

Finding the Fourth Proportional to 13,280,885.08, 18,336,083.59 and 10,839,320.11

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Solution

The fourth proportional to 13,280,885.08, 18,336,083.59 and 10,839,320.11 is: 14,965,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,885.08 : 18,336,083.59 = 10,839,320.11 : x
  2. Step 2: Convert to fraction form
    13,280,885.08/18,336,083.59 = 10,839,320.11/x
  3. Step 3: Cross multiply
    13,280,885.08x = 18,336,083.59 × 10,839,320.11
  4. Step 4: Simplify right side
    13,280,885.08x = 198,750,679,504,047.59
  5. Step 5: Solve for x
    x = 198,750,679,504,047.59/13,280,885.08
  6. Step 6: Final answer
    x = 14,965,168.23

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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.