Home / 12,014,776.40-18,024,130.20-3,925,403.60

Finding the Fourth Proportional to 12,014,776.40, 18,024,130.20 and 3,925,403.60

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Solution

The fourth proportional to 12,014,776.40, 18,024,130.20 and 3,925,403.60 is: 5,888,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014,776.40 : 18,024,130.20 = 3,925,403.60 : x
  2. Step 2: Convert to fraction form
    12,014,776.40/18,024,130.20 = 3,925,403.60/x
  3. Step 3: Cross multiply
    12,014,776.40x = 18,024,130.20 × 3,925,403.60
  4. Step 4: Simplify right side
    12,014,776.40x = 70,751,985,573,948.72
  5. Step 5: Solve for x
    x = 70,751,985,573,948.72/12,014,776.40
  6. Step 6: Final answer
    x = 5,888,747.59

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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.