Home / 14,600,670.29-20,142,839.20-8,404,234.28

Finding the Fourth Proportional to 14,600,670.29, 20,142,839.20 and 8,404,234.28

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Solution

The fourth proportional to 14,600,670.29, 20,142,839.20 and 8,404,234.28 is: 11,594,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600,670.29 : 20,142,839.20 = 8,404,234.28 : x
  2. Step 2: Convert to fraction form
    14,600,670.29/20,142,839.20 = 8,404,234.28/x
  3. Step 3: Cross multiply
    14,600,670.29x = 20,142,839.20 × 8,404,234.28
  4. Step 4: Simplify right side
    14,600,670.29x = 169,285,139,659,146.59
  5. Step 5: Solve for x
    x = 169,285,139,659,146.59/14,600,670.29
  6. Step 6: Final answer
    x = 11,594,340.28

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1.5x scale

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.