Home / 19,813,981.53-27,343,492.57-11,111,967.30

Finding the Fourth Proportional to 19,813,981.53, 27,343,492.57 and 11,111,967.30

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Solution

The fourth proportional to 19,813,981.53, 27,343,492.57 and 11,111,967.30 is: 15,334,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813,981.53 : 27,343,492.57 = 11,111,967.30 : x
  2. Step 2: Convert to fraction form
    19,813,981.53/27,343,492.57 = 11,111,967.30/x
  3. Step 3: Cross multiply
    19,813,981.53x = 27,343,492.57 × 11,111,967.30
  4. Step 4: Simplify right side
    19,813,981.53x = 303,839,995,305,633
  5. Step 5: Solve for x
    x = 303,839,995,305,633/19,813,981.53
  6. Step 6: Final answer
    x = 15,334,625.95

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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.