Home / 15,432,705.20-21,296,095.08-8,556,932.72

Finding the Fourth Proportional to 15,432,705.20, 21,296,095.08 and 8,556,932.72

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Solution

The fourth proportional to 15,432,705.20, 21,296,095.08 and 8,556,932.72 is: 11,807,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432,705.20 : 21,296,095.08 = 8,556,932.72 : x
  2. Step 2: Convert to fraction form
    15,432,705.20/21,296,095.08 = 8,556,932.72/x
  3. Step 3: Cross multiply
    15,432,705.20x = 21,296,095.08 × 8,556,932.72
  4. Step 4: Simplify right side
    15,432,705.20x = 182,229,252,798,283.03
  5. Step 5: Solve for x
    x = 182,229,252,798,283.03/15,432,705.20
  6. Step 6: Final answer
    x = 11,807,991.56

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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.