Home / 21,100,664.48-31,614,800.16-14,171,154.08

Finding the Fourth Proportional to 21,100,664.48, 31,614,800.16 and 14,171,154.08

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Solution

The fourth proportional to 21,100,664.48, 31,614,800.16 and 14,171,154.08 is: 21,232,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,100,664.48 : 31,614,800.16 = 14,171,154.08 : x
  2. Step 2: Convert to fraction form
    21,100,664.48/31,614,800.16 = 14,171,154.08/x
  3. Step 3: Cross multiply
    21,100,664.48x = 31,614,800.16 × 14,171,154.08
  4. Step 4: Simplify right side
    21,100,664.48x = 448,018,204,275,768.69
  5. Step 5: Solve for x
    x = 448,018,204,275,768.69/21,100,664.48
  6. Step 6: Final answer
    x = 21,232,421.60

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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.