Home / 12,484,890.29-18,729,203.75-3,848,272.85

Finding the Fourth Proportional to 12,484,890.29, 18,729,203.75 and 3,848,272.85

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Solution

The fourth proportional to 12,484,890.29, 18,729,203.75 and 3,848,272.85 is: 5,772,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,890.29 : 18,729,203.75 = 3,848,272.85 : x
  2. Step 2: Convert to fraction form
    12,484,890.29/18,729,203.75 = 3,848,272.85/x
  3. Step 3: Cross multiply
    12,484,890.29x = 18,729,203.75 × 3,848,272.85
  4. Step 4: Simplify right side
    12,484,890.29x = 72,075,086,180,355.81
  5. Step 5: Solve for x
    x = 72,075,086,180,355.81/12,484,890.29
  6. Step 6: Final answer
    x = 5,772,985.15

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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.