Home / 38,364,296.10-52,942,109.13-20,960,266.74

Finding the Fourth Proportional to 38,364,296.10, 52,942,109.13 and 20,960,266.74

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Solution

The fourth proportional to 38,364,296.10, 52,942,109.13 and 20,960,266.74 is: 28,924,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,364,296.10 : 52,942,109.13 = 20,960,266.74 : x
  2. Step 2: Convert to fraction form
    38,364,296.10/52,942,109.13 = 20,960,266.74/x
  3. Step 3: Cross multiply
    38,364,296.10x = 52,942,109.13 × 20,960,266.74
  4. Step 4: Simplify right side
    38,364,296.10x = 1,109,680,729,142,989.25
  5. Step 5: Solve for x
    x = 1,109,680,729,142,989.25/38,364,296.10
  6. Step 6: Final answer
    x = 28,924,829.65

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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.