Home / 28,490,274.28-39,318,573.63-16,101,512.56

Finding the Fourth Proportional to 28,490,274.28, 39,318,573.63 and 16,101,512.56

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Solution

The fourth proportional to 28,490,274.28, 39,318,573.63 and 16,101,512.56 is: 22,221,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490,274.28 : 39,318,573.63 = 16,101,512.56 : x
  2. Step 2: Convert to fraction form
    28,490,274.28/39,318,573.63 = 16,101,512.56/x
  3. Step 3: Cross multiply
    28,490,274.28x = 39,318,573.63 × 16,101,512.56
  4. Step 4: Simplify right side
    28,490,274.28x = 633,088,507,144,729.88
  5. Step 5: Solve for x
    x = 633,088,507,144,729.88/28,490,274.28
  6. Step 6: Final answer
    x = 22,221,214.89

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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.