Home / 31,514,828.06-47,268,690.51-8,487,448.07

Finding the Fourth Proportional to 31,514,828.06, 47,268,690.51 and 8,487,448.07

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Solution

The fourth proportional to 31,514,828.06, 47,268,690.51 and 8,487,448.07 is: 12,730,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514,828.06 : 47,268,690.51 = 8,487,448.07 : x
  2. Step 2: Convert to fraction form
    31,514,828.06/47,268,690.51 = 8,487,448.07/x
  3. Step 3: Cross multiply
    31,514,828.06x = 47,268,690.51 × 8,487,448.07
  4. Step 4: Simplify right side
    31,514,828.06x = 401,190,556,040,526.81
  5. Step 5: Solve for x
    x = 401,190,556,040,526.81/31,514,828.06
  6. Step 6: Final answer
    x = 12,730,215.61

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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.