Home / 10,352,407.70-15,528,611.55-2,780,138.90

Finding the Fourth Proportional to 10,352,407.70, 15,528,611.55 and 2,780,138.90

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Solution

The fourth proportional to 10,352,407.70, 15,528,611.55 and 2,780,138.90 is: 4,170,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352,407.70 : 15,528,611.55 = 2,780,138.90 : x
  2. Step 2: Convert to fraction form
    10,352,407.70/15,528,611.55 = 2,780,138.90/x
  3. Step 3: Cross multiply
    10,352,407.70x = 15,528,611.55 × 2,780,138.90
  4. Step 4: Simplify right side
    10,352,407.70x = 43,171,697,033,144.30
  5. Step 5: Solve for x
    x = 43,171,697,033,144.30/10,352,407.70
  6. Step 6: Final answer
    x = 4,170,208.35

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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.