Home / 52,721,328.60-79,093,917.52-28,459,734.75

Finding the Fourth Proportional to 52,721,328.60, 79,093,917.52 and 28,459,734.75

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Solution

The fourth proportional to 52,721,328.60, 79,093,917.52 and 28,459,734.75 is: 42,696,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,721,328.60 : 79,093,917.52 = 28,459,734.75 : x
  2. Step 2: Convert to fraction form
    52,721,328.60/79,093,917.52 = 28,459,734.75/x
  3. Step 3: Cross multiply
    52,721,328.60x = 79,093,917.52 × 28,459,734.75
  4. Step 4: Simplify right side
    52,721,328.60x = 2,250,991,912,886,428.50
  5. Step 5: Solve for x
    x = 2,250,991,912,886,428.50/52,721,328.60
  6. Step 6: Final answer
    x = 42,696,039.21

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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.