Home / 13,856,960.08-19,122,209.04-7,661,900.08

Finding the Fourth Proportional to 13,856,960.08, 19,122,209.04 and 7,661,900.08

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Solution

The fourth proportional to 13,856,960.08, 19,122,209.04 and 7,661,900.08 is: 10,573,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,960.08 : 19,122,209.04 = 7,661,900.08 : x
  2. Step 2: Convert to fraction form
    13,856,960.08/19,122,209.04 = 7,661,900.08/x
  3. Step 3: Cross multiply
    13,856,960.08x = 19,122,209.04 × 7,661,900.08
  4. Step 4: Simplify right side
    13,856,960.08x = 146,512,454,973,352.72
  5. Step 5: Solve for x
    x = 146,512,454,973,352.72/13,856,960.08
  6. Step 6: Final answer
    x = 10,573,203.22

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1.5x scale

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.