Home / 12,989,010.40-19,486,280.40-4,014,469.60

Finding the Fourth Proportional to 12,989,010.40, 19,486,280.40 and 4,014,469.60

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Solution

The fourth proportional to 12,989,010.40, 19,486,280.40 and 4,014,469.60 is: 6,022,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,989,010.40 : 19,486,280.40 = 4,014,469.60 : x
  2. Step 2: Convert to fraction form
    12,989,010.40/19,486,280.40 = 4,014,469.60/x
  3. Step 3: Cross multiply
    12,989,010.40x = 19,486,280.40 × 4,014,469.60
  4. Step 4: Simplify right side
    12,989,010.40x = 78,227,080,282,875.83
  5. Step 5: Solve for x
    x = 78,227,080,282,875.83/12,989,010.40
  6. Step 6: Final answer
    x = 6,022,558.91

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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.