Home / 38,251,210.52-52,785,130.74-20,847,181.16

Finding the Fourth Proportional to 38,251,210.52, 52,785,130.74 and 20,847,181.16

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Solution

The fourth proportional to 38,251,210.52, 52,785,130.74 and 20,847,181.16 is: 28,768,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,251,210.52 : 52,785,130.74 = 20,847,181.16 : x
  2. Step 2: Convert to fraction form
    38,251,210.52/52,785,130.74 = 20,847,181.16/x
  3. Step 3: Cross multiply
    38,251,210.52x = 52,785,130.74 × 20,847,181.16
  4. Step 4: Simplify right side
    38,251,210.52x = 1,100,421,183,091,064.88
  5. Step 5: Solve for x
    x = 1,100,421,183,091,064.88/38,251,210.52
  6. Step 6: Final answer
    x = 28,768,270.81

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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.