Home / 21,371,378.26-29,492,527.54-11,581,822.45

Finding the Fourth Proportional to 21,371,378.26, 29,492,527.54 and 11,581,822.45

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Solution

The fourth proportional to 21,371,378.26, 29,492,527.54 and 11,581,822.45 is: 15,982,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371,378.26 : 29,492,527.54 = 11,581,822.45 : x
  2. Step 2: Convert to fraction form
    21,371,378.26/29,492,527.54 = 11,581,822.45/x
  3. Step 3: Cross multiply
    21,371,378.26x = 29,492,527.54 × 11,581,822.45
  4. Step 4: Simplify right side
    21,371,378.26x = 341,577,217,570,015.25
  5. Step 5: Solve for x
    x = 341,577,217,570,015.25/21,371,378.26
  6. Step 6: Final answer
    x = 15,982,928.82

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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.