Home / 22,698,979.20-34,048,468.80-18,713,171.70

Finding the Fourth Proportional to 22,698,979.20, 34,048,468.80 and 18,713,171.70

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Solution

The fourth proportional to 22,698,979.20, 34,048,468.80 and 18,713,171.70 is: 28,069,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,698,979.20 : 34,048,468.80 = 18,713,171.70 : x
  2. Step 2: Convert to fraction form
    22,698,979.20/34,048,468.80 = 18,713,171.70/x
  3. Step 3: Cross multiply
    22,698,979.20x = 34,048,468.80 × 18,713,171.70
  4. Step 4: Simplify right side
    22,698,979.20x = 637,154,842,776,492.88
  5. Step 5: Solve for x
    x = 637,154,842,776,492.88/22,698,979.20
  6. Step 6: Final answer
    x = 28,069,757.55

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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.