Home / 19,633,678.56-29,449,410.15-8,700,719.31

Finding the Fourth Proportional to 19,633,678.56, 29,449,410.15 and 8,700,719.31

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Solution

The fourth proportional to 19,633,678.56, 29,449,410.15 and 8,700,719.31 is: 13,050,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,633,678.56 : 29,449,410.15 = 8,700,719.31 : x
  2. Step 2: Convert to fraction form
    19,633,678.56/29,449,410.15 = 8,700,719.31/x
  3. Step 3: Cross multiply
    19,633,678.56x = 29,449,410.15 × 8,700,719.31
  4. Step 4: Simplify right side
    19,633,678.56x = 256,231,051,560,215
  5. Step 5: Solve for x
    x = 256,231,051,560,215/19,633,678.56
  6. Step 6: Final answer
    x = 13,050,588.09

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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.