Home / 20,395,315.20-30,592,972.80-19,611,494.40

Finding the Fourth Proportional to 20,395,315.20, 30,592,972.80 and 19,611,494.40

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Solution

The fourth proportional to 20,395,315.20, 30,592,972.80 and 19,611,494.40 is: 29,417,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395,315.20 : 30,592,972.80 = 19,611,494.40 : x
  2. Step 2: Convert to fraction form
    20,395,315.20/30,592,972.80 = 19,611,494.40/x
  3. Step 3: Cross multiply
    20,395,315.20x = 30,592,972.80 × 19,611,494.40
  4. Step 4: Simplify right side
    20,395,315.20x = 599,973,914,746,552.25
  5. Step 5: Solve for x
    x = 599,973,914,746,552.25/20,395,315.20
  6. Step 6: Final answer
    x = 29,417,241.60

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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.