Home / 12,142,160.40-18,210,907.80-3,622,774.80

Finding the Fourth Proportional to 12,142,160.40, 18,210,907.80 and 3,622,774.80

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Solution

The fourth proportional to 12,142,160.40, 18,210,907.80 and 3,622,774.80 is: 5,433,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142,160.40 : 18,210,907.80 = 3,622,774.80 : x
  2. Step 2: Convert to fraction form
    12,142,160.40/18,210,907.80 = 3,622,774.80/x
  3. Step 3: Cross multiply
    12,142,160.40x = 18,210,907.80 × 3,622,774.80
  4. Step 4: Simplify right side
    12,142,160.40x = 65,974,017,862,963.44
  5. Step 5: Solve for x
    x = 65,974,017,862,963.44/12,142,160.40
  6. Step 6: Final answer
    x = 5,433,466.18

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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.