Home / 20,847,447.32-31,227,178.52-16,726,457.07

Finding the Fourth Proportional to 20,847,447.32, 31,227,178.52 and 16,726,457.07

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Solution

The fourth proportional to 20,847,447.32, 31,227,178.52 and 16,726,457.07 is: 25,054,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847,447.32 : 31,227,178.52 = 16,726,457.07 : x
  2. Step 2: Convert to fraction form
    20,847,447.32/31,227,178.52 = 16,726,457.07/x
  3. Step 3: Cross multiply
    20,847,447.32x = 31,227,178.52 × 16,726,457.07
  4. Step 4: Simplify right side
    20,847,447.32x = 522,320,060,973,822.31
  5. Step 5: Solve for x
    x = 522,320,060,973,822.31/20,847,447.32
  6. Step 6: Final answer
    x = 25,054,389.30

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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.