Home / 19,655,998.20-29,483,997.30-12,853,553.40

Finding the Fourth Proportional to 19,655,998.20, 29,483,997.30 and 12,853,553.40

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Solution

The fourth proportional to 19,655,998.20, 29,483,997.30 and 12,853,553.40 is: 19,280,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655,998.20 : 29,483,997.30 = 12,853,553.40 : x
  2. Step 2: Convert to fraction form
    19,655,998.20/29,483,997.30 = 12,853,553.40/x
  3. Step 3: Cross multiply
    19,655,998.20x = 29,483,997.30 × 12,853,553.40
  4. Step 4: Simplify right side
    19,655,998.20x = 378,974,133,741,005.81
  5. Step 5: Solve for x
    x = 378,974,133,741,005.81/19,655,998.20
  6. Step 6: Final answer
    x = 19,280,330.10

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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.