Home / 18,916,991.71-26,105,528.27-10,657,153.09

Finding the Fourth Proportional to 18,916,991.71, 26,105,528.27 and 10,657,153.09

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Solution

The fourth proportional to 18,916,991.71, 26,105,528.27 and 10,657,153.09 is: 14,706,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,991.71 : 26,105,528.27 = 10,657,153.09 : x
  2. Step 2: Convert to fraction form
    18,916,991.71/26,105,528.27 = 10,657,153.09/x
  3. Step 3: Cross multiply
    18,916,991.71x = 26,105,528.27 × 10,657,153.09
  4. Step 4: Simplify right side
    18,916,991.71x = 278,210,611,327,987.66
  5. Step 5: Solve for x
    x = 278,210,611,327,987.66/18,916,991.71
  6. Step 6: Final answer
    x = 14,706,916.18

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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.