Home / 21,701,168.52-29,972,467.26-14,291,951.40

Finding the Fourth Proportional to 21,701,168.52, 29,972,467.26 and 14,291,951.40

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Solution

The fourth proportional to 21,701,168.52, 29,972,467.26 and 14,291,951.40 is: 19,739,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701,168.52 : 29,972,467.26 = 14,291,951.40 : x
  2. Step 2: Convert to fraction form
    21,701,168.52/29,972,467.26 = 14,291,951.40/x
  3. Step 3: Cross multiply
    21,701,168.52x = 29,972,467.26 × 14,291,951.40
  4. Step 4: Simplify right side
    21,701,168.52x = 428,365,045,418,011.19
  5. Step 5: Solve for x
    x = 428,365,045,418,011.19/21,701,168.52
  6. Step 6: Final answer
    x = 19,739,261.74

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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.