Home / 13,898,338.32-19,180,855.97-7,705,328.40

Finding the Fourth Proportional to 13,898,338.32, 19,180,855.97 and 7,705,328.40

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Solution

The fourth proportional to 13,898,338.32, 19,180,855.97 and 7,705,328.40 is: 10,633,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898,338.32 : 19,180,855.97 = 7,705,328.40 : x
  2. Step 2: Convert to fraction form
    13,898,338.32/19,180,855.97 = 7,705,328.40/x
  3. Step 3: Cross multiply
    13,898,338.32x = 19,180,855.97 × 7,705,328.40
  4. Step 4: Simplify right side
    13,898,338.32x = 147,794,794,203,423.91
  5. Step 5: Solve for x
    x = 147,794,794,203,423.91/13,898,338.32
  6. Step 6: Final answer
    x = 10,633,990.25

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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.