Home / 7,813,662.81-11,720,937.09-2,423,079.60

Finding the Fourth Proportional to 7,813,662.81, 11,720,937.09 and 2,423,079.60

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Solution

The fourth proportional to 7,813,662.81, 11,720,937.09 and 2,423,079.60 is: 3,634,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813,662.81 : 11,720,937.09 = 2,423,079.60 : x
  2. Step 2: Convert to fraction form
    7,813,662.81/11,720,937.09 = 2,423,079.60/x
  3. Step 3: Cross multiply
    7,813,662.81x = 11,720,937.09 × 2,423,079.60
  4. Step 4: Simplify right side
    7,813,662.81x = 28,400,763,555,662.36
  5. Step 5: Solve for x
    x = 28,400,763,555,662.36/7,813,662.81
  6. Step 6: Final answer
    x = 3,634,756.74

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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.