Home / 13,495,513.76-18,623,345.76-7,696,162.04

Finding the Fourth Proportional to 13,495,513.76, 18,623,345.76 and 7,696,162.04

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Solution

The fourth proportional to 13,495,513.76, 18,623,345.76 and 7,696,162.04 is: 10,620,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495,513.76 : 18,623,345.76 = 7,696,162.04 : x
  2. Step 2: Convert to fraction form
    13,495,513.76/18,623,345.76 = 7,696,162.04/x
  3. Step 3: Cross multiply
    13,495,513.76x = 18,623,345.76 × 7,696,162.04
  4. Step 4: Simplify right side
    13,495,513.76x = 143,328,286,695,906.97
  5. Step 5: Solve for x
    x = 143,328,286,695,906.97/13,495,513.76
  6. Step 6: Final answer
    x = 10,620,439.45

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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.