Home / 21,066,531-31,599,809.46-5,110,179

Finding the Fourth Proportional to 21,066,531, 31,599,809.46 and 5,110,179

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Solution

The fourth proportional to 21,066,531, 31,599,809.46 and 5,110,179 is: 7,665,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,531 : 31,599,809.46 = 5,110,179 : x
  2. Step 2: Convert to fraction form
    21,066,531/31,599,809.46 = 5,110,179/x
  3. Step 3: Cross multiply
    21,066,531x = 31,599,809.46 × 5,110,179
  4. Step 4: Simplify right side
    21,066,531x = 161,480,682,706,493.34
  5. Step 5: Solve for x
    x = 161,480,682,706,493.34/21,066,531
  6. Step 6: Final answer
    x = 7,665,271.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.