Home / 15,245,044.74-21,037,899.96-8,369,477.55

Finding the Fourth Proportional to 15,245,044.74, 21,037,899.96 and 8,369,477.55

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Solution

The fourth proportional to 15,245,044.74, 21,037,899.96 and 8,369,477.55 is: 11,549,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245,044.74 : 21,037,899.96 = 8,369,477.55 : x
  2. Step 2: Convert to fraction form
    15,245,044.74/21,037,899.96 = 8,369,477.55/x
  3. Step 3: Cross multiply
    15,245,044.74x = 21,037,899.96 × 8,369,477.55
  4. Step 4: Simplify right side
    15,245,044.74x = 176,076,231,414,365.91
  5. Step 5: Solve for x
    x = 176,076,231,414,365.91/15,245,044.74
  6. Step 6: Final answer
    x = 11,549,735.30

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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.