Home / 13,798,358.42-18,903,818.61-13,281,195.78

Finding the Fourth Proportional to 13,798,358.42, 18,903,818.61 and 13,281,195.78

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Solution

The fourth proportional to 13,798,358.42, 18,903,818.61 and 13,281,195.78 is: 18,195,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798,358.42 : 18,903,818.61 = 13,281,195.78 : x
  2. Step 2: Convert to fraction form
    13,798,358.42/18,903,818.61 = 13,281,195.78/x
  3. Step 3: Cross multiply
    13,798,358.42x = 18,903,818.61 × 13,281,195.78
  4. Step 4: Simplify right side
    13,798,358.42x = 251,065,315,949,017.44
  5. Step 5: Solve for x
    x = 251,065,315,949,017.44/13,798,358.42
  6. Step 6: Final answer
    x = 18,195,303.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.