Home / 21,408,757.16-29,544,297.64-11,619,288.32

Finding the Fourth Proportional to 21,408,757.16, 29,544,297.64 and 11,619,288.32

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Solution

The fourth proportional to 21,408,757.16, 29,544,297.64 and 11,619,288.32 is: 16,034,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,408,757.16 : 29,544,297.64 = 11,619,288.32 : x
  2. Step 2: Convert to fraction form
    21,408,757.16/29,544,297.64 = 11,619,288.32/x
  3. Step 3: Cross multiply
    21,408,757.16x = 29,544,297.64 × 11,619,288.32
  4. Step 4: Simplify right side
    21,408,757.16x = 343,283,712,314,285.81
  5. Step 5: Solve for x
    x = 343,283,712,314,285.81/21,408,757.16
  6. Step 6: Final answer
    x = 16,034,733.35

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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.