Home / 13,207,531.40-18,515,738.20-13,207,531.40

Finding the Fourth Proportional to 13,207,531.40, 18,515,738.20 and 13,207,531.40

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Solution

The fourth proportional to 13,207,531.40, 18,515,738.20 and 13,207,531.40 is: 18,515,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,531.40 : 18,515,738.20 = 13,207,531.40 : x
  2. Step 2: Convert to fraction form
    13,207,531.40/18,515,738.20 = 13,207,531.40/x
  3. Step 3: Cross multiply
    13,207,531.40x = 18,515,738.20 × 13,207,531.40
  4. Step 4: Simplify right side
    13,207,531.40x = 244,547,193,670,679.47
  5. Step 5: Solve for x
    x = 244,547,193,670,679.47/13,207,531.40
  6. Step 6: Final answer
    x = 18,515,738.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.