Home / 25,239,019.20-37,858,528.80-19,192,401.60

Finding the Fourth Proportional to 25,239,019.20, 37,858,528.80 and 19,192,401.60

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Solution

The fourth proportional to 25,239,019.20, 37,858,528.80 and 19,192,401.60 is: 28,788,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,239,019.20 : 37,858,528.80 = 19,192,401.60 : x
  2. Step 2: Convert to fraction form
    25,239,019.20/37,858,528.80 = 19,192,401.60/x
  3. Step 3: Cross multiply
    25,239,019.20x = 37,858,528.80 × 19,192,401.60
  4. Step 4: Simplify right side
    25,239,019.20x = 726,596,088,714,766.12
  5. Step 5: Solve for x
    x = 726,596,088,714,766.12/25,239,019.20
  6. Step 6: Final answer
    x = 28,788,602.40

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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.