Home / 15,276,827.08-21,081,538.74-8,401,287.88

Finding the Fourth Proportional to 15,276,827.08, 21,081,538.74 and 8,401,287.88

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Solution

The fourth proportional to 15,276,827.08, 21,081,538.74 and 8,401,287.88 is: 11,593,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,827.08 : 21,081,538.74 = 8,401,287.88 : x
  2. Step 2: Convert to fraction form
    15,276,827.08/21,081,538.74 = 8,401,287.88/x
  3. Step 3: Cross multiply
    15,276,827.08x = 21,081,538.74 × 8,401,287.88
  4. Step 4: Simplify right side
    15,276,827.08x = 177,112,075,908,112.47
  5. Step 5: Solve for x
    x = 177,112,075,908,112.47/15,276,827.08
  6. Step 6: Final answer
    x = 11,593,511.86

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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.