Home / 12,134,455.70-18,201,683.55-3,498,539.45

Finding the Fourth Proportional to 12,134,455.70, 18,201,683.55 and 3,498,539.45

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Solution

The fourth proportional to 12,134,455.70, 18,201,683.55 and 3,498,539.45 is: 5,247,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,455.70 : 18,201,683.55 = 3,498,539.45 : x
  2. Step 2: Convert to fraction form
    12,134,455.70/18,201,683.55 = 3,498,539.45/x
  3. Step 3: Cross multiply
    12,134,455.70x = 18,201,683.55 × 3,498,539.45
  4. Step 4: Simplify right side
    12,134,455.70x = 63,679,307,956,091.05
  5. Step 5: Solve for x
    x = 63,679,307,956,091.05/12,134,455.70
  6. Step 6: Final answer
    x = 5,247,809.18

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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.