Home / 30,344,172.92-45,404,284.18-18,221,019.32

Finding the Fourth Proportional to 30,344,172.92, 45,404,284.18 and 18,221,019.32

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Solution

The fourth proportional to 30,344,172.92, 45,404,284.18 and 18,221,019.32 is: 27,264,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,172.92 : 45,404,284.18 = 18,221,019.32 : x
  2. Step 2: Convert to fraction form
    30,344,172.92/45,404,284.18 = 18,221,019.32/x
  3. Step 3: Cross multiply
    30,344,172.92x = 45,404,284.18 × 18,221,019.32
  4. Step 4: Simplify right side
    30,344,172.92x = 827,312,339,254,550.38
  5. Step 5: Solve for x
    x = 827,312,339,254,550.38/30,344,172.92
  6. Step 6: Final answer
    x = 27,264,290.30

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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.