Home / 21,398,347.72-32,110,118.70-7,944,623.56

Finding the Fourth Proportional to 21,398,347.72, 32,110,118.70 and 7,944,623.56

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Solution

The fourth proportional to 21,398,347.72, 32,110,118.70 and 7,944,623.56 is: 11,921,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,398,347.72 : 32,110,118.70 = 7,944,623.56 : x
  2. Step 2: Convert to fraction form
    21,398,347.72/32,110,118.70 = 7,944,623.56/x
  3. Step 3: Cross multiply
    21,398,347.72x = 32,110,118.70 × 7,944,623.56
  4. Step 4: Simplify right side
    21,398,347.72x = 255,102,805,538,416.56
  5. Step 5: Solve for x
    x = 255,102,805,538,416.56/21,398,347.72
  6. Step 6: Final answer
    x = 11,921,612.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.