Home / 13,630,047.70-20,417,515.35-8,496,721.30

Finding the Fourth Proportional to 13,630,047.70, 20,417,515.35 and 8,496,721.30

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Solution

The fourth proportional to 13,630,047.70, 20,417,515.35 and 8,496,721.30 is: 12,727,903.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630,047.70 : 20,417,515.35 = 8,496,721.30 : x
  2. Step 2: Convert to fraction form
    13,630,047.70/20,417,515.35 = 8,496,721.30/x
  3. Step 3: Cross multiply
    13,630,047.70x = 20,417,515.35 × 8,496,721.30
  4. Step 4: Simplify right side
    13,630,047.70x = 173,481,937,567,421.97
  5. Step 5: Solve for x
    x = 173,481,937,567,421.97/13,630,047.70
  6. Step 6: Final answer
    x = 12,727,903.92

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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.