Home / 25,759,612.80-38,639,419.20-19,335,081.60

Finding the Fourth Proportional to 25,759,612.80, 38,639,419.20 and 19,335,081.60

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Solution

The fourth proportional to 25,759,612.80, 38,639,419.20 and 19,335,081.60 is: 29,002,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759,612.80 : 38,639,419.20 = 19,335,081.60 : x
  2. Step 2: Convert to fraction form
    25,759,612.80/38,639,419.20 = 19,335,081.60/x
  3. Step 3: Cross multiply
    25,759,612.80x = 38,639,419.20 × 19,335,081.60
  4. Step 4: Simplify right side
    25,759,612.80x = 747,096,323,208,606.88
  5. Step 5: Solve for x
    x = 747,096,323,208,606.88/25,759,612.80
  6. Step 6: Final answer
    x = 29,002,622.40

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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.