Home / 21,374,582.10-32,061,873.15-19,209,743.70

Finding the Fourth Proportional to 21,374,582.10, 32,061,873.15 and 19,209,743.70

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Solution

The fourth proportional to 21,374,582.10, 32,061,873.15 and 19,209,743.70 is: 28,814,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374,582.10 : 32,061,873.15 = 19,209,743.70 : x
  2. Step 2: Convert to fraction form
    21,374,582.10/32,061,873.15 = 19,209,743.70/x
  3. Step 3: Cross multiply
    21,374,582.10x = 32,061,873.15 × 19,209,743.70
  4. Step 4: Simplify right side
    21,374,582.10x = 615,900,365,753,411.62
  5. Step 5: Solve for x
    x = 615,900,365,753,411.62/21,374,582.10
  6. Step 6: Final answer
    x = 28,814,615.55

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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.