Home / 22,333,103.40-33,499,655.10-18,679,938.60

Finding the Fourth Proportional to 22,333,103.40, 33,499,655.10 and 18,679,938.60

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Solution

The fourth proportional to 22,333,103.40, 33,499,655.10 and 18,679,938.60 is: 28,019,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,333,103.40 : 33,499,655.10 = 18,679,938.60 : x
  2. Step 2: Convert to fraction form
    22,333,103.40/33,499,655.10 = 18,679,938.60/x
  3. Step 3: Cross multiply
    22,333,103.40x = 33,499,655.10 × 18,679,938.60
  4. Step 4: Simplify right side
    22,333,103.40x = 625,771,500,389,177
  5. Step 5: Solve for x
    x = 625,771,500,389,177/22,333,103.40
  6. Step 6: Final answer
    x = 28,019,907.90

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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.