Home / 15,219,317.88-21,002,653.62-8,343,652.32

Finding the Fourth Proportional to 15,219,317.88, 21,002,653.62 and 8,343,652.32

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Solution

The fourth proportional to 15,219,317.88, 21,002,653.62 and 8,343,652.32 is: 11,514,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219,317.88 : 21,002,653.62 = 8,343,652.32 : x
  2. Step 2: Convert to fraction form
    15,219,317.88/21,002,653.62 = 8,343,652.32/x
  3. Step 3: Cross multiply
    15,219,317.88x = 21,002,653.62 × 8,343,652.32
  4. Step 4: Simplify right side
    15,219,317.88x = 175,238,839,602,669.41
  5. Step 5: Solve for x
    x = 175,238,839,602,669.41/15,219,317.88
  6. Step 6: Final answer
    x = 11,514,237.43

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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.