Home / 18,144,634.80-27,179,627.40-9,174,241.20

Finding the Fourth Proportional to 18,144,634.80, 27,179,627.40 and 9,174,241.20

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Solution

The fourth proportional to 18,144,634.80, 27,179,627.40 and 9,174,241.20 is: 13,742,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,634.80 : 27,179,627.40 = 9,174,241.20 : x
  2. Step 2: Convert to fraction form
    18,144,634.80/27,179,627.40 = 9,174,241.20/x
  3. Step 3: Cross multiply
    18,144,634.80x = 27,179,627.40 × 9,174,241.20
  4. Step 4: Simplify right side
    18,144,634.80x = 249,352,457,493,728.84
  5. Step 5: Solve for x
    x = 249,352,457,493,728.84/18,144,634.80
  6. Step 6: Final answer
    x = 13,742,489.74

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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.