Home / 26,605,612.80-39,808,771.20-18,946,963.20

Finding the Fourth Proportional to 26,605,612.80, 39,808,771.20 and 18,946,963.20

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Solution

The fourth proportional to 26,605,612.80, 39,808,771.20 and 18,946,963.20 is: 28,349,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605,612.80 : 39,808,771.20 = 18,946,963.20 : x
  2. Step 2: Convert to fraction form
    26,605,612.80/39,808,771.20 = 18,946,963.20/x
  3. Step 3: Cross multiply
    26,605,612.80x = 39,808,771.20 × 18,946,963.20
  4. Step 4: Simplify right side
    26,605,612.80x = 754,255,322,963,619.88
  5. Step 5: Solve for x
    x = 754,255,322,963,619.88/26,605,612.80
  6. Step 6: Final answer
    x = 28,349,481.32

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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.