Home / 18,916,994.14-28,271,837.78-13,810,178.24

Finding the Fourth Proportional to 18,916,994.14, 28,271,837.78 and 13,810,178.24

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Solution

The fourth proportional to 18,916,994.14, 28,271,837.78 and 13,810,178.24 is: 20,639,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,994.14 : 28,271,837.78 = 13,810,178.24 : x
  2. Step 2: Convert to fraction form
    18,916,994.14/28,271,837.78 = 13,810,178.24/x
  3. Step 3: Cross multiply
    18,916,994.14x = 28,271,837.78 × 13,810,178.24
  4. Step 4: Simplify right side
    18,916,994.14x = 390,439,118,914,165.94
  5. Step 5: Solve for x
    x = 390,439,118,914,165.94/18,916,994.14
  6. Step 6: Final answer
    x = 20,639,596.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.