Home / 25,487,998.80-38,190,007.80-21,708,862.80

Finding the Fourth Proportional to 25,487,998.80, 38,190,007.80 and 21,708,862.80

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Solution

The fourth proportional to 25,487,998.80, 38,190,007.80 and 21,708,862.80 is: 32,527,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487,998.80 : 38,190,007.80 = 21,708,862.80 : x
  2. Step 2: Convert to fraction form
    25,487,998.80/38,190,007.80 = 21,708,862.80/x
  3. Step 3: Cross multiply
    25,487,998.80x = 38,190,007.80 × 21,708,862.80
  4. Step 4: Simplify right side
    25,487,998.80x = 829,061,639,661,129.75
  5. Step 5: Solve for x
    x = 829,061,639,661,129.75/25,487,998.80
  6. Step 6: Final answer
    x = 32,527,529.77

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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.