Home / 21,260,693.80-31,807,059.90-18,452,002.60

Finding the Fourth Proportional to 21,260,693.80, 31,807,059.90 and 18,452,002.60

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Solution

The fourth proportional to 21,260,693.80, 31,807,059.90 and 18,452,002.60 is: 27,605,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260,693.80 : 31,807,059.90 = 18,452,002.60 : x
  2. Step 2: Convert to fraction form
    21,260,693.80/31,807,059.90 = 18,452,002.60/x
  3. Step 3: Cross multiply
    21,260,693.80x = 31,807,059.90 × 18,452,002.60
  4. Step 4: Simplify right side
    21,260,693.80x = 586,903,951,973,155.75
  5. Step 5: Solve for x
    x = 586,903,951,973,155.75/21,260,693.80
  6. Step 6: Final answer
    x = 27,605,117.57

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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.