Home / 15,771,016.20-23,623,346.70-13,116,808.20

Finding the Fourth Proportional to 15,771,016.20, 23,623,346.70 and 13,116,808.20

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Solution

The fourth proportional to 15,771,016.20, 23,623,346.70 and 13,116,808.20 is: 19,647,618.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771,016.20 : 23,623,346.70 = 13,116,808.20 : x
  2. Step 2: Convert to fraction form
    15,771,016.20/23,623,346.70 = 13,116,808.20/x
  3. Step 3: Cross multiply
    15,771,016.20x = 23,623,346.70 × 13,116,808.20
  4. Step 4: Simplify right side
    15,771,016.20x = 309,862,907,706,002.94
  5. Step 5: Solve for x
    x = 309,862,907,706,002.94/15,771,016.20
  6. Step 6: Final answer
    x = 19,647,618.38

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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.