Home / 12,141,840.90-18,210,428.55-3,622,455.30

Finding the Fourth Proportional to 12,141,840.90, 18,210,428.55 and 3,622,455.30

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Solution

The fourth proportional to 12,141,840.90, 18,210,428.55 and 3,622,455.30 is: 5,432,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,840.90 : 18,210,428.55 = 3,622,455.30 : x
  2. Step 2: Convert to fraction form
    12,141,840.90/18,210,428.55 = 3,622,455.30/x
  3. Step 3: Cross multiply
    12,141,840.90x = 18,210,428.55 × 3,622,455.30
  4. Step 4: Simplify right side
    12,141,840.90x = 65,966,463,416,218.81
  5. Step 5: Solve for x
    x = 65,966,463,416,218.81/12,141,840.90
  6. Step 6: Final answer
    x = 5,432,986.97

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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.