Home / 21,026,228.80-31,489,576.80-14,257,998.40

Finding the Fourth Proportional to 21,026,228.80, 31,489,576.80 and 14,257,998.40

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Solution

The fourth proportional to 21,026,228.80, 31,489,576.80 and 14,257,998.40 is: 21,353,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,228.80 : 31,489,576.80 = 14,257,998.40 : x
  2. Step 2: Convert to fraction form
    21,026,228.80/31,489,576.80 = 14,257,998.40/x
  3. Step 3: Cross multiply
    21,026,228.80x = 31,489,576.80 × 14,257,998.40
  4. Step 4: Simplify right side
    21,026,228.80x = 448,978,335,631,077.12
  5. Step 5: Solve for x
    x = 448,978,335,631,077.12/21,026,228.80
  6. Step 6: Final answer
    x = 21,353,250.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.