Home / 21,281,610.67-31,926,899.40-6,903,555.82

Finding the Fourth Proportional to 21,281,610.67, 31,926,899.40 and 6,903,555.82

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Solution

The fourth proportional to 21,281,610.67, 31,926,899.40 and 6,903,555.82 is: 10,356,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,281,610.67 : 31,926,899.40 = 6,903,555.82 : x
  2. Step 2: Convert to fraction form
    21,281,610.67/31,926,899.40 = 6,903,555.82/x
  3. Step 3: Cross multiply
    21,281,610.67x = 31,926,899.40 × 6,903,555.82
  4. Step 4: Simplify right side
    21,281,610.67x = 220,409,132,167,424.50
  5. Step 5: Solve for x
    x = 220,409,132,167,424.50/21,281,610.67
  6. Step 6: Final answer
    x = 10,356,788.10

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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.