Home / 20,260,511.61-27,959,514.67-10,968,081.45

Finding the Fourth Proportional to 20,260,511.61, 27,959,514.67 and 10,968,081.45

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Solution

The fourth proportional to 20,260,511.61, 27,959,514.67 and 10,968,081.45 is: 15,135,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260,511.61 : 27,959,514.67 = 10,968,081.45 : x
  2. Step 2: Convert to fraction form
    20,260,511.61/27,959,514.67 = 10,968,081.45/x
  3. Step 3: Cross multiply
    20,260,511.61x = 27,959,514.67 × 10,968,081.45
  4. Step 4: Simplify right side
    20,260,511.61x = 306,662,234,164,285.81
  5. Step 5: Solve for x
    x = 306,662,234,164,285.81/20,260,511.61
  6. Step 6: Final answer
    x = 15,135,957.08

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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.