Home / 7,439,130.16-11,148,048.60-4,237,640.80

Finding the Fourth Proportional to 7,439,130.16, 11,148,048.60 and 4,237,640.80

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Solution

The fourth proportional to 7,439,130.16, 11,148,048.60 and 4,237,640.80 is: 6,350,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439,130.16 : 11,148,048.60 = 4,237,640.80 : x
  2. Step 2: Convert to fraction form
    7,439,130.16/11,148,048.60 = 4,237,640.80/x
  3. Step 3: Cross multiply
    7,439,130.16x = 11,148,048.60 × 4,237,640.80
  4. Step 4: Simplify right side
    7,439,130.16x = 47,241,425,587,742.88
  5. Step 5: Solve for x
    x = 47,241,425,587,742.88/7,439,130.16
  6. Step 6: Final answer
    x = 6,350,396.43

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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.