Home / 21,359,808.69-29,476,677.51-11,570,252.88

Finding the Fourth Proportional to 21,359,808.69, 29,476,677.51 and 11,570,252.88

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Solution

The fourth proportional to 21,359,808.69, 29,476,677.51 and 11,570,252.88 is: 15,967,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359,808.69 : 29,476,677.51 = 11,570,252.88 : x
  2. Step 2: Convert to fraction form
    21,359,808.69/29,476,677.51 = 11,570,252.88/x
  3. Step 3: Cross multiply
    21,359,808.69x = 29,476,677.51 × 11,570,252.88
  4. Step 4: Simplify right side
    21,359,808.69x = 341,052,612,852,908.75
  5. Step 5: Solve for x
    x = 341,052,612,852,908.75/21,359,808.69
  6. Step 6: Final answer
    x = 15,967,025.63

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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.