Home / 21,116,986.03-29,141,440.72-11,459,194.03

Finding the Fourth Proportional to 21,116,986.03, 29,141,440.72 and 11,459,194.03

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Solution

The fourth proportional to 21,116,986.03, 29,141,440.72 and 11,459,194.03 is: 15,813,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,116,986.03 : 29,141,440.72 = 11,459,194.03 : x
  2. Step 2: Convert to fraction form
    21,116,986.03/29,141,440.72 = 11,459,194.03/x
  3. Step 3: Cross multiply
    21,116,986.03x = 29,141,440.72 × 11,459,194.03
  4. Step 4: Simplify right side
    21,116,986.03x = 333,937,423,596,459.69
  5. Step 5: Solve for x
    x = 333,937,423,596,459.69/21,116,986.03
  6. Step 6: Final answer
    x = 15,813,687.76

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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.