Home / 19,016,005.40-28,524,008.10-18,087,032.60

Finding the Fourth Proportional to 19,016,005.40, 28,524,008.10 and 18,087,032.60

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Solution

The fourth proportional to 19,016,005.40, 28,524,008.10 and 18,087,032.60 is: 27,130,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016,005.40 : 28,524,008.10 = 18,087,032.60 : x
  2. Step 2: Convert to fraction form
    19,016,005.40/28,524,008.10 = 18,087,032.60/x
  3. Step 3: Cross multiply
    19,016,005.40x = 28,524,008.10 × 18,087,032.60
  4. Step 4: Simplify right side
    19,016,005.40x = 515,914,664,387,364.12
  5. Step 5: Solve for x
    x = 515,914,664,387,364.12/19,016,005.40
  6. Step 6: Final answer
    x = 27,130,548.90

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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.