Home / 38,180,221.68-52,689,814.65-20,777,689.20

Finding the Fourth Proportional to 38,180,221.68, 52,689,814.65 and 20,777,689.20

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Solution

The fourth proportional to 38,180,221.68, 52,689,814.65 and 20,777,689.20 is: 28,673,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180,221.68 : 52,689,814.65 = 20,777,689.20 : x
  2. Step 2: Convert to fraction form
    38,180,221.68/52,689,814.65 = 20,777,689.20/x
  3. Step 3: Cross multiply
    38,180,221.68x = 52,689,814.65 × 20,777,689.20
  4. Step 4: Simplify right side
    38,180,221.68x = 1,094,772,592,803,306.75
  5. Step 5: Solve for x
    x = 1,094,772,592,803,306.75/38,180,221.68
  6. Step 6: Final answer
    x = 28,673,814.47

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Double scale
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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.