Home / 28,438,308.96-39,243,895.92-16,219,102.56

Finding the Fourth Proportional to 28,438,308.96, 39,243,895.92 and 16,219,102.56

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Solution

The fourth proportional to 28,438,308.96, 39,243,895.92 and 16,219,102.56 is: 22,381,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,438,308.96 : 39,243,895.92 = 16,219,102.56 : x
  2. Step 2: Convert to fraction form
    28,438,308.96/39,243,895.92 = 16,219,102.56/x
  3. Step 3: Cross multiply
    28,438,308.96x = 39,243,895.92 × 16,219,102.56
  4. Step 4: Simplify right side
    28,438,308.96x = 636,500,772,780,445.62
  5. Step 5: Solve for x
    x = 636,500,772,780,445.62/28,438,308.96
  6. Step 6: Final answer
    x = 22,381,808.06

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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.