Home / 21,926,200.80-32,795,989.20-19,668,050.40

Finding the Fourth Proportional to 21,926,200.80, 32,795,989.20 and 19,668,050.40

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Solution

The fourth proportional to 21,926,200.80, 32,795,989.20 and 19,668,050.40 is: 29,418,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926,200.80 : 32,795,989.20 = 19,668,050.40 : x
  2. Step 2: Convert to fraction form
    21,926,200.80/32,795,989.20 = 19,668,050.40/x
  3. Step 3: Cross multiply
    21,926,200.80x = 32,795,989.20 × 19,668,050.40
  4. Step 4: Simplify right side
    21,926,200.80x = 645,033,168,503,455.62
  5. Step 5: Solve for x
    x = 645,033,168,503,455.62/21,926,200.80
  6. Step 6: Final answer
    x = 29,418,373.68

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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.