Home / 14,270,782.40-21,377,143.20-8,862,833.60

Finding the Fourth Proportional to 14,270,782.40, 21,377,143.20 and 8,862,833.60

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Solution

The fourth proportional to 14,270,782.40, 21,377,143.20 and 8,862,833.60 is: 13,276,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270,782.40 : 21,377,143.20 = 8,862,833.60 : x
  2. Step 2: Convert to fraction form
    14,270,782.40/21,377,143.20 = 8,862,833.60/x
  3. Step 3: Cross multiply
    14,270,782.40x = 21,377,143.20 × 8,862,833.60
  4. Step 4: Simplify right side
    14,270,782.40x = 189,462,063,024,971.50
  5. Step 5: Solve for x
    x = 189,462,063,024,971.50/14,270,782.40
  6. Step 6: Final answer
    x = 13,276,221.14

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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.