Home / 15,293,956.03-21,106,107.86-8,325,088.12

Finding the Fourth Proportional to 15,293,956.03, 21,106,107.86 and 8,325,088.12

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Solution

The fourth proportional to 15,293,956.03, 21,106,107.86 and 8,325,088.12 is: 11,488,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293,956.03 : 21,106,107.86 = 8,325,088.12 : x
  2. Step 2: Convert to fraction form
    15,293,956.03/21,106,107.86 = 8,325,088.12/x
  3. Step 3: Cross multiply
    15,293,956.03x = 21,106,107.86 × 8,325,088.12
  4. Step 4: Simplify right side
    15,293,956.03x = 175,710,207,804,724.62
  5. Step 5: Solve for x
    x = 175,710,207,804,724.62/15,293,956.03
  6. Step 6: Final answer
    x = 11,488,865.76

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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.