Home / 45,218,191.40-62,374,539.72-28,446,259.76

Finding the Fourth Proportional to 45,218,191.40, 62,374,539.72 and 28,446,259.76

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Solution

The fourth proportional to 45,218,191.40, 62,374,539.72 and 28,446,259.76 is: 39,239,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,218,191.40 : 62,374,539.72 = 28,446,259.76 : x
  2. Step 2: Convert to fraction form
    45,218,191.40/62,374,539.72 = 28,446,259.76/x
  3. Step 3: Cross multiply
    45,218,191.40x = 62,374,539.72 × 28,446,259.76
  4. Step 4: Simplify right side
    45,218,191.40x = 1,774,322,359,285,557.75
  5. Step 5: Solve for x
    x = 1,774,322,359,285,557.75/45,218,191.40
  6. Step 6: Final answer
    x = 39,239,127.09

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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.