Home / 21,712,237.44-29,962,969.46-11,789,135.01

Finding the Fourth Proportional to 21,712,237.44, 29,962,969.46 and 11,789,135.01

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Solution

The fourth proportional to 21,712,237.44, 29,962,969.46 and 11,789,135.01 is: 16,269,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,237.44 : 29,962,969.46 = 11,789,135.01 : x
  2. Step 2: Convert to fraction form
    21,712,237.44/29,962,969.46 = 11,789,135.01/x
  3. Step 3: Cross multiply
    21,712,237.44x = 29,962,969.46 × 11,789,135.01
  4. Step 4: Simplify right side
    21,712,237.44x = 353,237,492,205,501.06
  5. Step 5: Solve for x
    x = 353,237,492,205,501.06/21,712,237.44
  6. Step 6: Final answer
    x = 16,269,050.72

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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.