Home / 22,147,979.10-33,221,968.65-19,118,765.40

Finding the Fourth Proportional to 22,147,979.10, 33,221,968.65 and 19,118,765.40

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Solution

The fourth proportional to 22,147,979.10, 33,221,968.65 and 19,118,765.40 is: 28,678,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,979.10 : 33,221,968.65 = 19,118,765.40 : x
  2. Step 2: Convert to fraction form
    22,147,979.10/33,221,968.65 = 19,118,765.40/x
  3. Step 3: Cross multiply
    22,147,979.10x = 33,221,968.65 × 19,118,765.40
  4. Step 4: Simplify right side
    22,147,979.10x = 635,163,024,745,504.62
  5. Step 5: Solve for x
    x = 635,163,024,745,504.62/22,147,979.10
  6. Step 6: Final answer
    x = 28,678,148.10

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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.