Home / 21,498,424.85-32,261,510.69-7,850,428.67

Finding the Fourth Proportional to 21,498,424.85, 32,261,510.69 and 7,850,428.67

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Solution

The fourth proportional to 21,498,424.85, 32,261,510.69 and 7,850,428.67 is: 11,780,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498,424.85 : 32,261,510.69 = 7,850,428.67 : x
  2. Step 2: Convert to fraction form
    21,498,424.85/32,261,510.69 = 7,850,428.67/x
  3. Step 3: Cross multiply
    21,498,424.85x = 32,261,510.69 × 7,850,428.67
  4. Step 4: Simplify right side
    21,498,424.85x = 253,266,688,458,287.50
  5. Step 5: Solve for x
    x = 253,266,688,458,287.50/21,498,424.85
  6. Step 6: Final answer
    x = 11,780,709.06

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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.