Home / 15,442,682.40-21,302,047.64-9,631,375.07

Finding the Fourth Proportional to 15,442,682.40, 21,302,047.64 and 9,631,375.07

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Solution

The fourth proportional to 15,442,682.40, 21,302,047.64 and 9,631,375.07 is: 13,285,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,682.40 : 21,302,047.64 = 9,631,375.07 : x
  2. Step 2: Convert to fraction form
    15,442,682.40/21,302,047.64 = 9,631,375.07/x
  3. Step 3: Cross multiply
    15,442,682.40x = 21,302,047.64 × 9,631,375.07
  4. Step 4: Simplify right side
    15,442,682.40x = 205,168,010,497,416.50
  5. Step 5: Solve for x
    x = 205,168,010,497,416.50/15,442,682.40
  6. Step 6: Final answer
    x = 13,285,775.44

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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.