Home / 13,053,816.59-18,010,338.41-7,824,916.88

Finding the Fourth Proportional to 13,053,816.59, 18,010,338.41 and 7,824,916.88

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Solution

The fourth proportional to 13,053,816.59, 18,010,338.41 and 7,824,916.88 is: 10,796,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,816.59 : 18,010,338.41 = 7,824,916.88 : x
  2. Step 2: Convert to fraction form
    13,053,816.59/18,010,338.41 = 7,824,916.88/x
  3. Step 3: Cross multiply
    13,053,816.59x = 18,010,338.41 × 7,824,916.88
  4. Step 4: Simplify right side
    13,053,816.59x = 140,929,401,103,509.53
  5. Step 5: Solve for x
    x = 140,929,401,103,509.53/13,053,816.59
  6. Step 6: Final answer
    x = 10,796,030.43

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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.