Home / 15,295,178.60-21,107,614.92-8,326,056.50

Finding the Fourth Proportional to 15,295,178.60, 21,107,614.92 and 8,326,056.50

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Solution

The fourth proportional to 15,295,178.60, 21,107,614.92 and 8,326,056.50 is: 11,490,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295,178.60 : 21,107,614.92 = 8,326,056.50 : x
  2. Step 2: Convert to fraction form
    15,295,178.60/21,107,614.92 = 8,326,056.50/x
  3. Step 3: Cross multiply
    15,295,178.60x = 21,107,614.92 × 8,326,056.50
  4. Step 4: Simplify right side
    15,295,178.60x = 175,743,194,404,163
  5. Step 5: Solve for x
    x = 175,743,194,404,163/15,295,178.60
  6. Step 6: Final answer
    x = 11,490,104.10

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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.