Home / 19,115,998.40-28,655,335.20-17,100,459.20

Finding the Fourth Proportional to 19,115,998.40, 28,655,335.20 and 17,100,459.20

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Solution

The fourth proportional to 19,115,998.40, 28,655,335.20 and 17,100,459.20 is: 25,633,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115,998.40 : 28,655,335.20 = 17,100,459.20 : x
  2. Step 2: Convert to fraction form
    19,115,998.40/28,655,335.20 = 17,100,459.20/x
  3. Step 3: Cross multiply
    19,115,998.40x = 28,655,335.20 × 17,100,459.20
  4. Step 4: Simplify right side
    19,115,998.40x = 490,019,390,449,923.81
  5. Step 5: Solve for x
    x = 490,019,390,449,923.81/19,115,998.40
  6. Step 6: Final answer
    x = 25,633,994.11

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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.