Home / 21,359,808.57-29,476,677.35-11,570,252.76

Finding the Fourth Proportional to 21,359,808.57, 29,476,677.35 and 11,570,252.76

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Solution

The fourth proportional to 21,359,808.57, 29,476,677.35 and 11,570,252.76 is: 15,967,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359,808.57 : 29,476,677.35 = 11,570,252.76 : x
  2. Step 2: Convert to fraction form
    21,359,808.57/29,476,677.35 = 11,570,252.76/x
  3. Step 3: Cross multiply
    21,359,808.57x = 29,476,677.35 × 11,570,252.76
  4. Step 4: Simplify right side
    21,359,808.57x = 341,052,607,464,467
  5. Step 5: Solve for x
    x = 341,052,607,464,467/21,359,808.57
  6. Step 6: Final answer
    x = 15,967,025.47

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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.