Home / 13,639,280.06-20,464,913.19-7,160,850.05

Finding the Fourth Proportional to 13,639,280.06, 20,464,913.19 and 7,160,850.05

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Solution

The fourth proportional to 13,639,280.06, 20,464,913.19 and 7,160,850.05 is: 10,744,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639,280.06 : 20,464,913.19 = 7,160,850.05 : x
  2. Step 2: Convert to fraction form
    13,639,280.06/20,464,913.19 = 7,160,850.05/x
  3. Step 3: Cross multiply
    13,639,280.06x = 20,464,913.19 × 7,160,850.05
  4. Step 4: Simplify right side
    13,639,280.06x = 146,546,174,537,532.59
  5. Step 5: Solve for x
    x = 146,546,174,537,532.59/13,639,280.06
  6. Step 6: Final answer
    x = 10,744,421.55

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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.