Home / 12,076,966.20-18,117,782.10-3,557,580.60

Finding the Fourth Proportional to 12,076,966.20, 18,117,782.10 and 3,557,580.60

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Solution

The fourth proportional to 12,076,966.20, 18,117,782.10 and 3,557,580.60 is: 5,337,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076,966.20 : 18,117,782.10 = 3,557,580.60 : x
  2. Step 2: Convert to fraction form
    12,076,966.20/18,117,782.10 = 3,557,580.60/x
  3. Step 3: Cross multiply
    12,076,966.20x = 18,117,782.10 × 3,557,580.60
  4. Step 4: Simplify right side
    12,076,966.20x = 64,455,470,113,987.27
  5. Step 5: Solve for x
    x = 64,455,470,113,987.27/12,076,966.20
  6. Step 6: Final answer
    x = 5,337,058.09

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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.