Home / 15,223,837.92-21,009,502.08-8,348,566.56

Finding the Fourth Proportional to 15,223,837.92, 21,009,502.08 and 8,348,566.56

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Solution

The fourth proportional to 15,223,837.92, 21,009,502.08 and 8,348,566.56 is: 11,521,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223,837.92 : 21,009,502.08 = 8,348,566.56 : x
  2. Step 2: Convert to fraction form
    15,223,837.92/21,009,502.08 = 8,348,566.56/x
  3. Step 3: Cross multiply
    15,223,837.92x = 21,009,502.08 × 8,348,566.56
  4. Step 4: Simplify right side
    15,223,837.92x = 175,399,226,507,338.41
  5. Step 5: Solve for x
    x = 175,399,226,507,338.41/15,223,837.92
  6. Step 6: Final answer
    x = 11,521,354.04

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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.