Home / 21,077,398.31-29,077,903.00-14,110,320.55

Finding the Fourth Proportional to 21,077,398.31, 29,077,903.00 and 14,110,320.55

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Solution

The fourth proportional to 21,077,398.31, 29,077,903.00 and 14,110,320.55 is: 19,466,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,077,398.31 : 29,077,903.00 = 14,110,320.55 : x
  2. Step 2: Convert to fraction form
    21,077,398.31/29,077,903.00 = 14,110,320.55/x
  3. Step 3: Cross multiply
    21,077,398.31x = 29,077,903.00 × 14,110,320.55
  4. Step 4: Simplify right side
    21,077,398.31x = 410,298,532,144,907.69
  5. Step 5: Solve for x
    x = 410,298,532,144,907.69/21,077,398.31
  6. Step 6: Final answer
    x = 19,466,279.76

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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.