Home / 6,665,130.40-9,997,695.60-1,616,432.80

Finding the Fourth Proportional to 6,665,130.40, 9,997,695.60 and 1,616,432.80

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Solution

The fourth proportional to 6,665,130.40, 9,997,695.60 and 1,616,432.80 is: 2,424,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,130.40 : 9,997,695.60 = 1,616,432.80 : x
  2. Step 2: Convert to fraction form
    6,665,130.40/9,997,695.60 = 1,616,432.80/x
  3. Step 3: Cross multiply
    6,665,130.40x = 9,997,695.60 × 1,616,432.80
  4. Step 4: Simplify right side
    6,665,130.40x = 16,160,603,092,255.68
  5. Step 5: Solve for x
    x = 16,160,603,092,255.68/6,665,130.40
  6. Step 6: Final answer
    x = 2,424,649.20

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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.