Home / 20,759,962.20-31,139,943.30-11,194,024.20

Finding the Fourth Proportional to 20,759,962.20, 31,139,943.30 and 11,194,024.20

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Solution

The fourth proportional to 20,759,962.20, 31,139,943.30 and 11,194,024.20 is: 16,791,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759,962.20 : 31,139,943.30 = 11,194,024.20 : x
  2. Step 2: Convert to fraction form
    20,759,962.20/31,139,943.30 = 11,194,024.20/x
  3. Step 3: Cross multiply
    20,759,962.20x = 31,139,943.30 × 11,194,024.20
  4. Step 4: Simplify right side
    20,759,962.20x = 348,581,278,886,827.88
  5. Step 5: Solve for x
    x = 348,581,278,886,827.88/20,759,962.20
  6. Step 6: Final answer
    x = 16,791,036.30

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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.