Home / 18,331,319.20-27,496,978.80-9,828,263.20

Finding the Fourth Proportional to 18,331,319.20, 27,496,978.80 and 9,828,263.20

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Solution

The fourth proportional to 18,331,319.20, 27,496,978.80 and 9,828,263.20 is: 14,742,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331,319.20 : 27,496,978.80 = 9,828,263.20 : x
  2. Step 2: Convert to fraction form
    18,331,319.20/27,496,978.80 = 9,828,263.20/x
  3. Step 3: Cross multiply
    18,331,319.20x = 27,496,978.80 × 9,828,263.20
  4. Step 4: Simplify right side
    18,331,319.20x = 270,247,544,851,220.16
  5. Step 5: Solve for x
    x = 270,247,544,851,220.16/18,331,319.20
  6. Step 6: Final answer
    x = 14,742,394.80

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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.