Home / 30,813,980.12-42,522,769.74-17,062,649

Finding the Fourth Proportional to 30,813,980.12, 42,522,769.74 and 17,062,649

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Solution

The fourth proportional to 30,813,980.12, 42,522,769.74 and 17,062,649 is: 23,546,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,980.12 : 42,522,769.74 = 17,062,649 : x
  2. Step 2: Convert to fraction form
    30,813,980.12/42,522,769.74 = 17,062,649/x
  3. Step 3: Cross multiply
    30,813,980.12x = 42,522,769.74 × 17,062,649
  4. Step 4: Simplify right side
    30,813,980.12x = 725,551,094,581,441.25
  5. Step 5: Solve for x
    x = 725,551,094,581,441.25/30,813,980.12
  6. Step 6: Final answer
    x = 23,546,166.12

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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.