Home / 14,389,341.42-19,857,344.03-7,862,971.86

Finding the Fourth Proportional to 14,389,341.42, 19,857,344.03 and 7,862,971.86

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Solution

The fourth proportional to 14,389,341.42, 19,857,344.03 and 7,862,971.86 is: 10,850,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,341.42 : 19,857,344.03 = 7,862,971.86 : x
  2. Step 2: Convert to fraction form
    14,389,341.42/19,857,344.03 = 7,862,971.86/x
  3. Step 3: Cross multiply
    14,389,341.42x = 19,857,344.03 × 7,862,971.86
  4. Step 4: Simplify right side
    14,389,341.42x = 156,137,737,322,229
  5. Step 5: Solve for x
    x = 156,137,737,322,229/14,389,341.42
  6. Step 6: Final answer
    x = 10,850,930.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.