Home / 28,016,904.60-42,025,356.90-10,971,912.60

Finding the Fourth Proportional to 28,016,904.60, 42,025,356.90 and 10,971,912.60

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Solution

The fourth proportional to 28,016,904.60, 42,025,356.90 and 10,971,912.60 is: 16,457,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016,904.60 : 42,025,356.90 = 10,971,912.60 : x
  2. Step 2: Convert to fraction form
    28,016,904.60/42,025,356.90 = 10,971,912.60/x
  3. Step 3: Cross multiply
    28,016,904.60x = 42,025,356.90 × 10,971,912.60
  4. Step 4: Simplify right side
    28,016,904.60x = 461,098,542,890,606.94
  5. Step 5: Solve for x
    x = 461,098,542,890,606.94/28,016,904.60
  6. Step 6: Final answer
    x = 16,457,868.90

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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.