Home / 11,565,555.10-17,331,743.85-8,509,068.70

Finding the Fourth Proportional to 11,565,555.10, 17,331,743.85 and 8,509,068.70

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Solution

The fourth proportional to 11,565,555.10, 17,331,743.85 and 8,509,068.70 is: 12,751,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565,555.10 : 17,331,743.85 = 8,509,068.70 : x
  2. Step 2: Convert to fraction form
    11,565,555.10/17,331,743.85 = 8,509,068.70/x
  3. Step 3: Cross multiply
    11,565,555.10x = 17,331,743.85 × 8,509,068.70
  4. Step 4: Simplify right side
    11,565,555.10x = 147,476,999,110,452.50
  5. Step 5: Solve for x
    x = 147,476,999,110,452.50/11,565,555.10
  6. Step 6: Final answer
    x = 12,751,398.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.