Home / 20,130,698.16-30,197,042.40-5,755,880.88

Finding the Fourth Proportional to 20,130,698.16, 30,197,042.40 and 5,755,880.88

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Solution

The fourth proportional to 20,130,698.16, 30,197,042.40 and 5,755,880.88 is: 8,634,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,698.16 : 30,197,042.40 = 5,755,880.88 : x
  2. Step 2: Convert to fraction form
    20,130,698.16/30,197,042.40 = 5,755,880.88/x
  3. Step 3: Cross multiply
    20,130,698.16x = 30,197,042.40 × 5,755,880.88
  4. Step 4: Simplify right side
    20,130,698.16x = 173,810,578,982,709.31
  5. Step 5: Solve for x
    x = 173,810,578,982,709.31/20,130,698.16
  6. Step 6: Final answer
    x = 8,634,105.86

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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.