Home / 13,321,070.28-18,383,130.90-7,209,497.16

Finding the Fourth Proportional to 13,321,070.28, 18,383,130.90 and 7,209,497.16

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Solution

The fourth proportional to 13,321,070.28, 18,383,130.90 and 7,209,497.16 is: 9,949,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,070.28 : 18,383,130.90 = 7,209,497.16 : x
  2. Step 2: Convert to fraction form
    13,321,070.28/18,383,130.90 = 7,209,497.16/x
  3. Step 3: Cross multiply
    13,321,070.28x = 18,383,130.90 × 7,209,497.16
  4. Step 4: Simplify right side
    13,321,070.28x = 132,533,130,015,458.23
  5. Step 5: Solve for x
    x = 132,533,130,015,458.23/13,321,070.28
  6. Step 6: Final answer
    x = 9,949,135.26

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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.