Home / 21,077,357.45-29,077,846.56-14,110,279.52

Finding the Fourth Proportional to 21,077,357.45, 29,077,846.56 and 14,110,279.52

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Solution

The fourth proportional to 21,077,357.45, 29,077,846.56 and 14,110,279.52 is: 19,466,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,077,357.45 : 29,077,846.56 = 14,110,279.52 : x
  2. Step 2: Convert to fraction form
    21,077,357.45/29,077,846.56 = 14,110,279.52/x
  3. Step 3: Cross multiply
    21,077,357.45x = 29,077,846.56 × 14,110,279.52
  4. Step 4: Simplify right side
    21,077,357.45x = 410,296,542,655,881.19
  5. Step 5: Solve for x
    x = 410,296,542,655,881.19/21,077,357.45
  6. Step 6: Final answer
    x = 19,466,223.11

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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.