Home / 13,853,032.78-19,117,211.17-7,741,461.28

Finding the Fourth Proportional to 13,853,032.78, 19,117,211.17 and 7,741,461.28

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Solution

The fourth proportional to 13,853,032.78, 19,117,211.17 and 7,741,461.28 is: 10,683,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,032.78 : 19,117,211.17 = 7,741,461.28 : x
  2. Step 2: Convert to fraction form
    13,853,032.78/19,117,211.17 = 7,741,461.28/x
  3. Step 3: Cross multiply
    13,853,032.78x = 19,117,211.17 × 7,741,461.28
  4. Step 4: Simplify right side
    13,853,032.78x = 147,995,149,986,991.81
  5. Step 5: Solve for x
    x = 147,995,149,986,991.81/13,853,032.78
  6. Step 6: Final answer
    x = 10,683,231.06

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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.