Home / 13,321,068.03-18,383,127.80-7,209,494.91

Finding the Fourth Proportional to 13,321,068.03, 18,383,127.80 and 7,209,494.91

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Solution

The fourth proportional to 13,321,068.03, 18,383,127.80 and 7,209,494.91 is: 9,949,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,068.03 : 18,383,127.80 = 7,209,494.91 : x
  2. Step 2: Convert to fraction form
    13,321,068.03/18,383,127.80 = 7,209,494.91/x
  3. Step 3: Cross multiply
    13,321,068.03x = 18,383,127.80 × 7,209,494.91
  4. Step 4: Simplify right side
    13,321,068.03x = 132,533,066,267,932.05
  5. Step 5: Solve for x
    x = 132,533,066,267,932.05/13,321,068.03
  6. Step 6: Final answer
    x = 9,949,132.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.