Home / 30,344,171.92-45,404,282.68-18,221,018.32

Finding the Fourth Proportional to 30,344,171.92, 45,404,282.68 and 18,221,018.32

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Solution

The fourth proportional to 30,344,171.92, 45,404,282.68 and 18,221,018.32 is: 27,264,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,171.92 : 45,404,282.68 = 18,221,018.32 : x
  2. Step 2: Convert to fraction form
    30,344,171.92/45,404,282.68 = 18,221,018.32/x
  3. Step 3: Cross multiply
    30,344,171.92x = 45,404,282.68 × 18,221,018.32
  4. Step 4: Simplify right side
    30,344,171.92x = 827,312,266,518,738.75
  5. Step 5: Solve for x
    x = 827,312,266,518,738.75/30,344,171.92
  6. Step 6: Final answer
    x = 27,264,288.80

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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.