Home / 10,784,768.86-14,883,348.27-6,378,271.84

Finding the Fourth Proportional to 10,784,768.86, 14,883,348.27 and 6,378,271.84

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Solution

The fourth proportional to 10,784,768.86, 14,883,348.27 and 6,378,271.84 is: 8,802,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784,768.86 : 14,883,348.27 = 6,378,271.84 : x
  2. Step 2: Convert to fraction form
    10,784,768.86/14,883,348.27 = 6,378,271.84/x
  3. Step 3: Cross multiply
    10,784,768.86x = 14,883,348.27 × 6,378,271.84
  4. Step 4: Simplify right side
    10,784,768.86x = 94,930,041,155,453.72
  5. Step 5: Solve for x
    x = 94,930,041,155,453.72/10,784,768.86
  6. Step 6: Final answer
    x = 8,802,232.33

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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.