Home / 15,254,641.44-21,051,768.64-8,379,267.52

Finding the Fourth Proportional to 15,254,641.44, 21,051,768.64 and 8,379,267.52

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Solution

The fourth proportional to 15,254,641.44, 21,051,768.64 and 8,379,267.52 is: 11,563,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254,641.44 : 21,051,768.64 = 8,379,267.52 : x
  2. Step 2: Convert to fraction form
    15,254,641.44/21,051,768.64 = 8,379,267.52/x
  3. Step 3: Cross multiply
    15,254,641.44x = 21,051,768.64 × 8,379,267.52
  4. Step 4: Simplify right side
    15,254,641.44x = 176,398,401,203,706.56
  5. Step 5: Solve for x
    x = 176,398,401,203,706.56/15,254,641.44
  6. Step 6: Final answer
    x = 11,563,588.82

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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.