Home / 15,289,302.59-21,098,964.70-8,319,742.44

Finding the Fourth Proportional to 15,289,302.59, 21,098,964.70 and 8,319,742.44

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Solution

The fourth proportional to 15,289,302.59, 21,098,964.70 and 8,319,742.44 is: 11,481,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,302.59 : 21,098,964.70 = 8,319,742.44 : x
  2. Step 2: Convert to fraction form
    15,289,302.59/21,098,964.70 = 8,319,742.44/x
  3. Step 3: Cross multiply
    15,289,302.59x = 21,098,964.70 × 8,319,742.44
  4. Step 4: Simplify right side
    15,289,302.59x = 175,537,951,939,131.88
  5. Step 5: Solve for x
    x = 175,537,951,939,131.88/15,289,302.59
  6. Step 6: Final answer
    x = 11,481,096.07

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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.