Home / 13,448,916-18,559,508.40-8,620,020

Finding the Fourth Proportional to 13,448,916, 18,559,508.40 and 8,620,020

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Solution

The fourth proportional to 13,448,916, 18,559,508.40 and 8,620,020 is: 11,895,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448,916 : 18,559,508.40 = 8,620,020 : x
  2. Step 2: Convert to fraction form
    13,448,916/18,559,508.40 = 8,620,020/x
  3. Step 3: Cross multiply
    13,448,916x = 18,559,508.40 × 8,620,020
  4. Step 4: Simplify right side
    13,448,916x = 159,983,333,598,168
  5. Step 5: Solve for x
    x = 159,983,333,598,168/13,448,916
  6. Step 6: Final answer
    x = 11,895,630.37

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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.