Home / 12,726,601.24-19,089,941.28-3,141,980.86

Finding the Fourth Proportional to 12,726,601.24, 19,089,941.28 and 3,141,980.86

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Solution

The fourth proportional to 12,726,601.24, 19,089,941.28 and 3,141,980.86 is: 4,712,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,601.24 : 19,089,941.28 = 3,141,980.86 : x
  2. Step 2: Convert to fraction form
    12,726,601.24/19,089,941.28 = 3,141,980.86/x
  3. Step 3: Cross multiply
    12,726,601.24x = 19,089,941.28 × 3,141,980.86
  4. Step 4: Simplify right side
    12,726,601.24x = 59,980,230,120,283.90
  5. Step 5: Solve for x
    x = 59,980,230,120,283.90/12,726,601.24
  6. Step 6: Final answer
    x = 4,712,981.02

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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.