Home / 38,060,012.72-52,523,195.80-20,656,512.56

Finding the Fourth Proportional to 38,060,012.72, 52,523,195.80 and 20,656,512.56

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Solution

The fourth proportional to 38,060,012.72, 52,523,195.80 and 20,656,512.56 is: 28,506,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,060,012.72 : 52,523,195.80 = 20,656,512.56 : x
  2. Step 2: Convert to fraction form
    38,060,012.72/52,523,195.80 = 20,656,512.56/x
  3. Step 3: Cross multiply
    38,060,012.72x = 52,523,195.80 × 20,656,512.56
  4. Step 4: Simplify right side
    38,060,012.72x = 1,084,946,053,734,039.12
  5. Step 5: Solve for x
    x = 1,084,946,053,734,039.12/38,060,012.72
  6. Step 6: Final answer
    x = 28,506,192.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.