Home / 19,725,621.18-27,216,840.72-11,776,616.52

Finding the Fourth Proportional to 19,725,621.18, 27,216,840.72 and 11,776,616.52

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Solution

The fourth proportional to 19,725,621.18, 27,216,840.72 and 11,776,616.52 is: 16,249,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725,621.18 : 27,216,840.72 = 11,776,616.52 : x
  2. Step 2: Convert to fraction form
    19,725,621.18/27,216,840.72 = 11,776,616.52/x
  3. Step 3: Cross multiply
    19,725,621.18x = 27,216,840.72 × 11,776,616.52
  4. Step 4: Simplify right side
    19,725,621.18x = 320,522,296,045,360.69
  5. Step 5: Solve for x
    x = 320,522,296,045,360.69/19,725,621.18
  6. Step 6: Final answer
    x = 16,249,034.35

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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.