Home / 13,785,842.10-20,679,540.78-4,201,533.30

Finding the Fourth Proportional to 13,785,842.10, 20,679,540.78 and 4,201,533.30

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Solution

The fourth proportional to 13,785,842.10, 20,679,540.78 and 4,201,533.30 is: 6,302,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,842.10 : 20,679,540.78 = 4,201,533.30 : x
  2. Step 2: Convert to fraction form
    13,785,842.10/20,679,540.78 = 4,201,533.30/x
  3. Step 3: Cross multiply
    13,785,842.10x = 20,679,540.78 × 4,201,533.30
  4. Step 4: Simplify right side
    13,785,842.10x = 86,885,779,215,877.97
  5. Step 5: Solve for x
    x = 86,885,779,215,877.97/13,785,842.10
  6. Step 6: Final answer
    x = 6,302,536.95

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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.