Home / 21,459,994.60-32,189,991.90-19,108,532.20

Finding the Fourth Proportional to 21,459,994.60, 32,189,991.90 and 19,108,532.20

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Solution

The fourth proportional to 21,459,994.60, 32,189,991.90 and 19,108,532.20 is: 28,662,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459,994.60 : 32,189,991.90 = 19,108,532.20 : x
  2. Step 2: Convert to fraction form
    21,459,994.60/32,189,991.90 = 19,108,532.20/x
  3. Step 3: Cross multiply
    21,459,994.60x = 32,189,991.90 × 19,108,532.20
  4. Step 4: Simplify right side
    21,459,994.60x = 615,103,496,738,889.12
  5. Step 5: Solve for x
    x = 615,103,496,738,889.12/21,459,994.60
  6. Step 6: Final answer
    x = 28,662,798.30

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1.5x scale

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.