Home / 10,512,032.80-15,768,049.20-2,938,986.40

Finding the Fourth Proportional to 10,512,032.80, 15,768,049.20 and 2,938,986.40

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Solution

The fourth proportional to 10,512,032.80, 15,768,049.20 and 2,938,986.40 is: 4,408,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,032.80 : 15,768,049.20 = 2,938,986.40 : x
  2. Step 2: Convert to fraction form
    10,512,032.80/15,768,049.20 = 2,938,986.40/x
  3. Step 3: Cross multiply
    10,512,032.80x = 15,768,049.20 × 2,938,986.40
  4. Step 4: Simplify right side
    10,512,032.80x = 46,342,082,153,330.88
  5. Step 5: Solve for x
    x = 46,342,082,153,330.88/10,512,032.80
  6. Step 6: Final answer
    x = 4,408,479.60

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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.