Home / 25,759,924.80-38,639,887.20-16,689,998.40

Finding the Fourth Proportional to 25,759,924.80, 38,639,887.20 and 16,689,998.40

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Solution

The fourth proportional to 25,759,924.80, 38,639,887.20 and 16,689,998.40 is: 25,034,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759,924.80 : 38,639,887.20 = 16,689,998.40 : x
  2. Step 2: Convert to fraction form
    25,759,924.80/38,639,887.20 = 16,689,998.40/x
  3. Step 3: Cross multiply
    25,759,924.80x = 38,639,887.20 × 16,689,998.40
  4. Step 4: Simplify right side
    25,759,924.80x = 644,899,655,544,180.50
  5. Step 5: Solve for x
    x = 644,899,655,544,180.50/25,759,924.80
  6. Step 6: Final answer
    x = 25,034,997.60

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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.