Home / 13,375,877.10-18,460,286.19-7,943,369.10

Finding the Fourth Proportional to 13,375,877.10, 18,460,286.19 and 7,943,369.10

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Solution

The fourth proportional to 13,375,877.10, 18,460,286.19 and 7,943,369.10 is: 10,962,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,877.10 : 18,460,286.19 = 7,943,369.10 : x
  2. Step 2: Convert to fraction form
    13,375,877.10/18,460,286.19 = 7,943,369.10/x
  3. Step 3: Cross multiply
    13,375,877.10x = 18,460,286.19 × 7,943,369.10
  4. Step 4: Simplify right side
    13,375,877.10x = 146,636,866,898,802.72
  5. Step 5: Solve for x
    x = 146,636,866,898,802.72/13,375,877.10
  6. Step 6: Final answer
    x = 10,962,785.15

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