Home / 21,200,273.38-31,803,384.66-10,417,998.88

Finding the Fourth Proportional to 21,200,273.38, 31,803,384.66 and 10,417,998.88

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Solution

The fourth proportional to 21,200,273.38, 31,803,384.66 and 10,417,998.88 is: 15,628,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,200,273.38 : 31,803,384.66 = 10,417,998.88 : x
  2. Step 2: Convert to fraction form
    21,200,273.38/31,803,384.66 = 10,417,998.88/x
  3. Step 3: Cross multiply
    21,200,273.38x = 31,803,384.66 × 10,417,998.88
  4. Step 4: Simplify right side
    21,200,273.38x = 331,327,625,768,089.19
  5. Step 5: Solve for x
    x = 331,327,625,768,089.19/21,200,273.38
  6. Step 6: Final answer
    x = 15,628,460.06

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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.