Home / 12,731,370.48-17,535,820.92-9,785,554.56

Finding the Fourth Proportional to 12,731,370.48, 17,535,820.92 and 9,785,554.56

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Solution

The fourth proportional to 12,731,370.48, 17,535,820.92 and 9,785,554.56 is: 13,478,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,370.48 : 17,535,820.92 = 9,785,554.56 : x
  2. Step 2: Convert to fraction form
    12,731,370.48/17,535,820.92 = 9,785,554.56/x
  3. Step 3: Cross multiply
    12,731,370.48x = 17,535,820.92 × 9,785,554.56
  4. Step 4: Simplify right side
    12,731,370.48x = 171,597,732,367,049.41
  5. Step 5: Solve for x
    x = 171,597,732,367,049.41/12,731,370.48
  6. Step 6: Final answer
    x = 13,478,339.40

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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.