Home / 13,785,801.90-20,679,480.45-4,201,493.10

Finding the Fourth Proportional to 13,785,801.90, 20,679,480.45 and 4,201,493.10

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Solution

The fourth proportional to 13,785,801.90, 20,679,480.45 and 4,201,493.10 is: 6,302,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,801.90 : 20,679,480.45 = 4,201,493.10 : x
  2. Step 2: Convert to fraction form
    13,785,801.90/20,679,480.45 = 4,201,493.10/x
  3. Step 3: Cross multiply
    13,785,801.90x = 20,679,480.45 × 4,201,493.10
  4. Step 4: Simplify right side
    13,785,801.90x = 86,884,694,422,259.89
  5. Step 5: Solve for x
    x = 86,884,694,422,259.89/13,785,801.90
  6. Step 6: Final answer
    x = 6,302,476.64

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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.