Home / 25,692,940.20-38,539,410.30-19,720,972.20

Finding the Fourth Proportional to 25,692,940.20, 38,539,410.30 and 19,720,972.20

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Solution

The fourth proportional to 25,692,940.20, 38,539,410.30 and 19,720,972.20 is: 29,581,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692,940.20 : 38,539,410.30 = 19,720,972.20 : x
  2. Step 2: Convert to fraction form
    25,692,940.20/38,539,410.30 = 19,720,972.20/x
  3. Step 3: Cross multiply
    25,692,940.20x = 38,539,410.30 × 19,720,972.20
  4. Step 4: Simplify right side
    25,692,940.20x = 760,034,639,130,693.62
  5. Step 5: Solve for x
    x = 760,034,639,130,693.62/25,692,940.20
  6. Step 6: Final answer
    x = 29,581,458.30

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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.