Home / 7,260,139.80-10,890,209.70-4,871,352.60

Finding the Fourth Proportional to 7,260,139.80, 10,890,209.70 and 4,871,352.60

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Solution

The fourth proportional to 7,260,139.80, 10,890,209.70 and 4,871,352.60 is: 7,307,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,139.80 : 10,890,209.70 = 4,871,352.60 : x
  2. Step 2: Convert to fraction form
    7,260,139.80/10,890,209.70 = 4,871,352.60/x
  3. Step 3: Cross multiply
    7,260,139.80x = 10,890,209.70 × 4,871,352.60
  4. Step 4: Simplify right side
    7,260,139.80x = 53,050,051,336,640.21
  5. Step 5: Solve for x
    x = 53,050,051,336,640.21/7,260,139.80
  6. Step 6: Final answer
    x = 7,307,028.90

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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.