Home / 14,580,019.20-21,870,028.80-11,887,384.80

Finding the Fourth Proportional to 14,580,019.20, 21,870,028.80 and 11,887,384.80

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Solution

The fourth proportional to 14,580,019.20, 21,870,028.80 and 11,887,384.80 is: 17,831,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580,019.20 : 21,870,028.80 = 11,887,384.80 : x
  2. Step 2: Convert to fraction form
    14,580,019.20/21,870,028.80 = 11,887,384.80/x
  3. Step 3: Cross multiply
    14,580,019.20x = 21,870,028.80 × 11,887,384.80
  4. Step 4: Simplify right side
    14,580,019.20x = 259,977,447,932,682.25
  5. Step 5: Solve for x
    x = 259,977,447,932,682.25/14,580,019.20
  6. Step 6: Final answer
    x = 17,831,077.20

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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.