Home / 14,217,806.17-19,620,513.61-7,691,420.31

Finding the Fourth Proportional to 14,217,806.17, 19,620,513.61 and 7,691,420.31

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Solution

The fourth proportional to 14,217,806.17, 19,620,513.61 and 7,691,420.31 is: 10,614,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217,806.17 : 19,620,513.61 = 7,691,420.31 : x
  2. Step 2: Convert to fraction form
    14,217,806.17/19,620,513.61 = 7,691,420.31/x
  3. Step 3: Cross multiply
    14,217,806.17x = 19,620,513.61 × 7,691,420.31
  4. Step 4: Simplify right side
    14,217,806.17x = 150,909,616,823,044.19
  5. Step 5: Solve for x
    x = 150,909,616,823,044.19/14,217,806.17
  6. Step 6: Final answer
    x = 10,614,128.16

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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.