Home / 20,459,480.40-30,705,809.40-19,795,928.40

Finding the Fourth Proportional to 20,459,480.40, 30,705,809.40 and 19,795,928.40

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Solution

The fourth proportional to 20,459,480.40, 30,705,809.40 and 19,795,928.40 is: 29,709,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,459,480.40 : 30,705,809.40 = 19,795,928.40 : x
  2. Step 2: Convert to fraction form
    20,459,480.40/30,705,809.40 = 19,795,928.40/x
  3. Step 3: Cross multiply
    20,459,480.40x = 30,705,809.40 × 19,795,928.40
  4. Step 4: Simplify right side
    20,459,480.40x = 607,850,004,346,446.88
  5. Step 5: Solve for x
    x = 607,850,004,346,446.88/20,459,480.40
  6. Step 6: Final answer
    x = 29,709,943.38

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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.