Home / 20,883,532.60-31,325,298.90-19,466,356.60

Finding the Fourth Proportional to 20,883,532.60, 31,325,298.90 and 19,466,356.60

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Solution

The fourth proportional to 20,883,532.60, 31,325,298.90 and 19,466,356.60 is: 29,199,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,532.60 : 31,325,298.90 = 19,466,356.60 : x
  2. Step 2: Convert to fraction form
    20,883,532.60/31,325,298.90 = 19,466,356.60/x
  3. Step 3: Cross multiply
    20,883,532.60x = 31,325,298.90 × 19,466,356.60
  4. Step 4: Simplify right side
    20,883,532.60x = 609,789,438,988,987.75
  5. Step 5: Solve for x
    x = 609,789,438,988,987.75/20,883,532.60
  6. Step 6: Final answer
    x = 29,199,534.90

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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.