Home / 12,295,102.74-18,443,539.77-4,722,068.46

Finding the Fourth Proportional to 12,295,102.74, 18,443,539.77 and 4,722,068.46

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Solution

The fourth proportional to 12,295,102.74, 18,443,539.77 and 4,722,068.46 is: 7,083,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,102.74 : 18,443,539.77 = 4,722,068.46 : x
  2. Step 2: Convert to fraction form
    12,295,102.74/18,443,539.77 = 4,722,068.46/x
  3. Step 3: Cross multiply
    12,295,102.74x = 18,443,539.77 × 4,722,068.46
  4. Step 4: Simplify right side
    12,295,102.74x = 87,091,657,438,672.66
  5. Step 5: Solve for x
    x = 87,091,657,438,672.66/12,295,102.74
  6. Step 6: Final answer
    x = 7,083,442.84

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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.