Home / 18,012,975.48-27,019,518.03-4,366,068.21

Finding the Fourth Proportional to 18,012,975.48, 27,019,518.03 and 4,366,068.21

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Solution

The fourth proportional to 18,012,975.48, 27,019,518.03 and 4,366,068.21 is: 6,549,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012,975.48 : 27,019,518.03 = 4,366,068.21 : x
  2. Step 2: Convert to fraction form
    18,012,975.48/27,019,518.03 = 4,366,068.21/x
  3. Step 3: Cross multiply
    18,012,975.48x = 27,019,518.03 × 4,366,068.21
  4. Step 4: Simplify right side
    18,012,975.48x = 117,969,058,720,304.83
  5. Step 5: Solve for x
    x = 117,969,058,720,304.83/18,012,975.48
  6. Step 6: Final answer
    x = 6,549,115.60

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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.