Home / 21,359,849.76-29,476,734.20-11,570,293.84

Finding the Fourth Proportional to 21,359,849.76, 29,476,734.20 and 11,570,293.84

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Solution

The fourth proportional to 21,359,849.76, 29,476,734.20 and 11,570,293.84 is: 15,967,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359,849.76 : 29,476,734.20 = 11,570,293.84 : x
  2. Step 2: Convert to fraction form
    21,359,849.76/29,476,734.20 = 11,570,293.84/x
  3. Step 3: Cross multiply
    21,359,849.76x = 29,476,734.20 × 11,570,293.84
  4. Step 4: Simplify right side
    21,359,849.76x = 341,054,476,137,577.31
  5. Step 5: Solve for x
    x = 341,054,476,137,577.31/21,359,849.76
  6. Step 6: Final answer
    x = 15,967,082.16

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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.