Home / 19,919,221.60-27,489,697.44-12,185,746.30

Finding the Fourth Proportional to 19,919,221.60, 27,489,697.44 and 12,185,746.30

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Solution

The fourth proportional to 19,919,221.60, 27,489,697.44 and 12,185,746.30 is: 16,817,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919,221.60 : 27,489,697.44 = 12,185,746.30 : x
  2. Step 2: Convert to fraction form
    19,919,221.60/27,489,697.44 = 12,185,746.30/x
  3. Step 3: Cross multiply
    19,919,221.60x = 27,489,697.44 × 12,185,746.30
  4. Step 4: Simplify right side
    19,919,221.60x = 334,982,478,867,599.50
  5. Step 5: Solve for x
    x = 334,982,478,867,599.50/19,919,221.60
  6. Step 6: Final answer
    x = 16,817,046.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.