Home / 20,754,460.12-31,150,827.30-10,526,498.20

Finding the Fourth Proportional to 20,754,460.12, 31,150,827.30 and 10,526,498.20

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Solution

The fourth proportional to 20,754,460.12, 31,150,827.30 and 10,526,498.20 is: 15,799,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,460.12 : 31,150,827.30 = 10,526,498.20 : x
  2. Step 2: Convert to fraction form
    20,754,460.12/31,150,827.30 = 10,526,498.20/x
  3. Step 3: Cross multiply
    20,754,460.12x = 31,150,827.30 × 10,526,498.20
  4. Step 4: Simplify right side
    20,754,460.12x = 327,909,127,501,960.88
  5. Step 5: Solve for x
    x = 327,909,127,501,960.88/20,754,460.12
  6. Step 6: Final answer
    x = 15,799,453.50

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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.