Home / 14,580,021.20-21,870,031.80-11,887,386.80

Finding the Fourth Proportional to 14,580,021.20, 21,870,031.80 and 11,887,386.80

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Solution

The fourth proportional to 14,580,021.20, 21,870,031.80 and 11,887,386.80 is: 17,831,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580,021.20 : 21,870,031.80 = 11,887,386.80 : x
  2. Step 2: Convert to fraction form
    14,580,021.20/21,870,031.80 = 11,887,386.80/x
  3. Step 3: Cross multiply
    14,580,021.20x = 21,870,031.80 × 11,887,386.80
  4. Step 4: Simplify right side
    14,580,021.20x = 259,977,527,334,900.25
  5. Step 5: Solve for x
    x = 259,977,527,334,900.25/14,580,021.20
  6. Step 6: Final answer
    x = 17,831,080.20

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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.