Home / 14,013,739.54-19,338,933.84-7,818,417.64

Finding the Fourth Proportional to 14,013,739.54, 19,338,933.84 and 7,818,417.64

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Solution

The fourth proportional to 14,013,739.54, 19,338,933.84 and 7,818,417.64 is: 10,789,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,739.54 : 19,338,933.84 = 7,818,417.64 : x
  2. Step 2: Convert to fraction form
    14,013,739.54/19,338,933.84 = 7,818,417.64/x
  3. Step 3: Cross multiply
    14,013,739.54x = 19,338,933.84 × 7,818,417.64
  4. Step 4: Simplify right side
    14,013,739.54x = 151,199,861,473,448.94
  5. Step 5: Solve for x
    x = 151,199,861,473,448.94/14,013,739.54
  6. Step 6: Final answer
    x = 10,789,401.43

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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.