Home / 18,215,116.26-25,137,381.69-9,955,639.14

Finding the Fourth Proportional to 18,215,116.26, 25,137,381.69 and 9,955,639.14

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Solution

The fourth proportional to 18,215,116.26, 25,137,381.69 and 9,955,639.14 is: 13,739,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215,116.26 : 25,137,381.69 = 9,955,639.14 : x
  2. Step 2: Convert to fraction form
    18,215,116.26/25,137,381.69 = 9,955,639.14/x
  3. Step 3: Cross multiply
    18,215,116.26x = 25,137,381.69 × 9,955,639.14
  4. Step 4: Simplify right side
    18,215,116.26x = 250,258,701,030,083.38
  5. Step 5: Solve for x
    x = 250,258,701,030,083.38/18,215,116.26
  6. Step 6: Final answer
    x = 13,739,066.91

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1.5x scale

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.