Home / 21,359,810.79-29,476,680.43-11,570,254.98

Finding the Fourth Proportional to 21,359,810.79, 29,476,680.43 and 11,570,254.98

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Solution

The fourth proportional to 21,359,810.79, 29,476,680.43 and 11,570,254.98 is: 15,967,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359,810.79 : 29,476,680.43 = 11,570,254.98 : x
  2. Step 2: Convert to fraction form
    21,359,810.79/29,476,680.43 = 11,570,254.98/x
  3. Step 3: Cross multiply
    21,359,810.79x = 29,476,680.43 × 11,570,254.98
  4. Step 4: Simplify right side
    21,359,810.79x = 341,052,708,333,841.38
  5. Step 5: Solve for x
    x = 341,052,708,333,841.38/21,359,810.79
  6. Step 6: Final answer
    x = 15,967,028.54

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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.