Home / 28,069,314.21-42,060,572.46-21,906,683.82

Finding the Fourth Proportional to 28,069,314.21, 42,060,572.46 and 21,906,683.82

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Solution

The fourth proportional to 28,069,314.21, 42,060,572.46 and 21,906,683.82 is: 32,826,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069,314.21 : 42,060,572.46 = 21,906,683.82 : x
  2. Step 2: Convert to fraction form
    28,069,314.21/42,060,572.46 = 21,906,683.82/x
  3. Step 3: Cross multiply
    28,069,314.21x = 42,060,572.46 × 21,906,683.82
  4. Step 4: Simplify right side
    28,069,314.21x = 921,407,662,169,419.62
  5. Step 5: Solve for x
    x = 921,407,662,169,419.62/28,069,314.21
  6. Step 6: Final answer
    x = 32,826,155.11

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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.