Home / 12,108,760.19-16,696,513.58-9,896,758.68

Finding the Fourth Proportional to 12,108,760.19, 16,696,513.58 and 9,896,758.68

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Solution

The fourth proportional to 12,108,760.19, 16,696,513.58 and 9,896,758.68 is: 13,646,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,760.19 : 16,696,513.58 = 9,896,758.68 : x
  2. Step 2: Convert to fraction form
    12,108,760.19/16,696,513.58 = 9,896,758.68/x
  3. Step 3: Cross multiply
    12,108,760.19x = 16,696,513.58 × 9,896,758.68
  4. Step 4: Simplify right side
    12,108,760.19x = 165,241,365,711,731
  5. Step 5: Solve for x
    x = 165,241,365,711,731/12,108,760.19
  6. Step 6: Final answer
    x = 13,646,431.43

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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.