Home / 13,853,535.52-19,117,823.12-7,741,962.40

Finding the Fourth Proportional to 13,853,535.52, 19,117,823.12 and 7,741,962.40

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Solution

The fourth proportional to 13,853,535.52, 19,117,823.12 and 7,741,962.40 is: 10,683,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,535.52 : 19,117,823.12 = 7,741,962.40 : x
  2. Step 2: Convert to fraction form
    13,853,535.52/19,117,823.12 = 7,741,962.40/x
  3. Step 3: Cross multiply
    13,853,535.52x = 19,117,823.12 × 7,741,962.40
  4. Step 4: Simplify right side
    13,853,535.52x = 148,009,467,764,890.72
  5. Step 5: Solve for x
    x = 148,009,467,764,890.72/13,853,535.52
  6. Step 6: Final answer
    x = 10,683,876.87

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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.