Home / 21,359,804.56-29,476,671.82-11,570,248.74

Finding the Fourth Proportional to 21,359,804.56, 29,476,671.82 and 11,570,248.74

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Solution

The fourth proportional to 21,359,804.56, 29,476,671.82 and 11,570,248.74 is: 15,967,019.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359,804.56 : 29,476,671.82 = 11,570,248.74 : x
  2. Step 2: Convert to fraction form
    21,359,804.56/29,476,671.82 = 11,570,248.74/x
  3. Step 3: Cross multiply
    21,359,804.56x = 29,476,671.82 × 11,570,248.74
  4. Step 4: Simplify right side
    21,359,804.56x = 341,052,425,066,360.38
  5. Step 5: Solve for x
    x = 341,052,425,066,360.38/21,359,804.56
  6. Step 6: Final answer
    x = 15,967,019.93

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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.