Home / 10,681,284.80-16,021,927.20-7,825,937.60

Finding the Fourth Proportional to 10,681,284.80, 16,021,927.20 and 7,825,937.60

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Solution

The fourth proportional to 10,681,284.80, 16,021,927.20 and 7,825,937.60 is: 11,738,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681,284.80 : 16,021,927.20 = 7,825,937.60 : x
  2. Step 2: Convert to fraction form
    10,681,284.80/16,021,927.20 = 7,825,937.60/x
  3. Step 3: Cross multiply
    10,681,284.80x = 16,021,927.20 × 7,825,937.60
  4. Step 4: Simplify right side
    10,681,284.80x = 125,386,602,498,942.70
  5. Step 5: Solve for x
    x = 125,386,602,498,942.70/10,681,284.80
  6. Step 6: Final answer
    x = 11,738,906.40

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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.