Home / 21,411,928.75-29,548,484.56-11,622,371.37

Finding the Fourth Proportional to 21,411,928.75, 29,548,484.56 and 11,622,371.37

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Solution

The fourth proportional to 21,411,928.75, 29,548,484.56 and 11,622,371.37 is: 16,038,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,928.75 : 29,548,484.56 = 11,622,371.37 : x
  2. Step 2: Convert to fraction form
    21,411,928.75/29,548,484.56 = 11,622,371.37/x
  3. Step 3: Cross multiply
    21,411,928.75x = 29,548,484.56 × 11,622,371.37
  4. Step 4: Simplify right side
    21,411,928.75x = 343,423,460,815,364.75
  5. Step 5: Solve for x
    x = 343,423,460,815,364.75/21,411,928.75
  6. Step 6: Final answer
    x = 16,038,884.91

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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.