Home / 10,681,838.12-16,021,020.54-3,493,263.08

Finding the Fourth Proportional to 10,681,838.12, 16,021,020.54 and 3,493,263.08

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Solution

The fourth proportional to 10,681,838.12, 16,021,020.54 and 3,493,263.08 is: 5,239,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681,838.12 : 16,021,020.54 = 3,493,263.08 : x
  2. Step 2: Convert to fraction form
    10,681,838.12/16,021,020.54 = 3,493,263.08/x
  3. Step 3: Cross multiply
    10,681,838.12x = 16,021,020.54 × 3,493,263.08
  4. Step 4: Simplify right side
    10,681,838.12x = 55,965,639,556,303.66
  5. Step 5: Solve for x
    x = 55,965,639,556,303.66/10,681,838.12
  6. Step 6: Final answer
    x = 5,239,326.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.