Home / 21,116,986.59-29,141,441.52-11,459,194.59

Finding the Fourth Proportional to 21,116,986.59, 29,141,441.52 and 11,459,194.59

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Solution

The fourth proportional to 21,116,986.59, 29,141,441.52 and 11,459,194.59 is: 15,813,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,116,986.59 : 29,141,441.52 = 11,459,194.59 : x
  2. Step 2: Convert to fraction form
    21,116,986.59/29,141,441.52 = 11,459,194.59/x
  3. Step 3: Cross multiply
    21,116,986.59x = 29,141,441.52 × 11,459,194.59
  4. Step 4: Simplify right side
    21,116,986.59x = 333,937,449,077,093.81
  5. Step 5: Solve for x
    x = 333,937,449,077,093.81/21,116,986.59
  6. Step 6: Final answer
    x = 15,813,688.55

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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.