Home / 21,374,586.60-32,061,879.90-19,209,748.20

Finding the Fourth Proportional to 21,374,586.60, 32,061,879.90 and 19,209,748.20

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Solution

The fourth proportional to 21,374,586.60, 32,061,879.90 and 19,209,748.20 is: 28,814,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374,586.60 : 32,061,879.90 = 19,209,748.20 : x
  2. Step 2: Convert to fraction form
    21,374,586.60/32,061,879.90 = 19,209,748.20/x
  3. Step 3: Cross multiply
    21,374,586.60x = 32,061,879.90 × 19,209,748.20
  4. Step 4: Simplify right side
    21,374,586.60x = 615,900,639,697,641.12
  5. Step 5: Solve for x
    x = 615,900,639,697,641.12/21,374,586.60
  6. Step 6: Final answer
    x = 28,814,622.30

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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.