Home / 28,937,741.43-39,933,925.51-15,885,222.42

Finding the Fourth Proportional to 28,937,741.43, 39,933,925.51 and 15,885,222.42

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Solution

The fourth proportional to 28,937,741.43, 39,933,925.51 and 15,885,222.42 is: 21,921,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937,741.43 : 39,933,925.51 = 15,885,222.42 : x
  2. Step 2: Convert to fraction form
    28,937,741.43/39,933,925.51 = 15,885,222.42/x
  3. Step 3: Cross multiply
    28,937,741.43x = 39,933,925.51 × 15,885,222.42
  4. Step 4: Simplify right side
    28,937,741.43x = 634,359,288,750,635.88
  5. Step 5: Solve for x
    x = 634,359,288,750,635.88/28,937,741.43
  6. Step 6: Final answer
    x = 21,921,520.39

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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.