Home / 12,020,506.21-18,032,858.84-5,288,745.25

Finding the Fourth Proportional to 12,020,506.21, 18,032,858.84 and 5,288,745.25

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Solution

The fourth proportional to 12,020,506.21, 18,032,858.84 and 5,288,745.25 is: 7,934,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,506.21 : 18,032,858.84 = 5,288,745.25 : x
  2. Step 2: Convert to fraction form
    12,020,506.21/18,032,858.84 = 5,288,745.25/x
  3. Step 3: Cross multiply
    12,020,506.21x = 18,032,858.84 × 5,288,745.25
  4. Step 4: Simplify right side
    12,020,506.21x = 95,371,196,533,970.52
  5. Step 5: Solve for x
    x = 95,371,196,533,970.52/12,020,506.21
  6. Step 6: Final answer
    x = 7,934,041.62

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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.