Home / 13,231,639.70-19,847,459.55-9,872,407.70

Finding the Fourth Proportional to 13,231,639.70, 19,847,459.55 and 9,872,407.70

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Solution

The fourth proportional to 13,231,639.70, 19,847,459.55 and 9,872,407.70 is: 14,808,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,639.70 : 19,847,459.55 = 9,872,407.70 : x
  2. Step 2: Convert to fraction form
    13,231,639.70/19,847,459.55 = 9,872,407.70/x
  3. Step 3: Cross multiply
    13,231,639.70x = 19,847,459.55 × 9,872,407.70
  4. Step 4: Simplify right side
    13,231,639.70x = 195,942,212,486,858.53
  5. Step 5: Solve for x
    x = 195,942,212,486,858.53/13,231,639.70
  6. Step 6: Final answer
    x = 14,808,611.55

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Similar ratio
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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.