Home / 13,085,168.06-19,630,409.70-5,409,498.72

Finding the Fourth Proportional to 13,085,168.06, 19,630,409.70 and 5,409,498.72

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Solution

The fourth proportional to 13,085,168.06, 19,630,409.70 and 5,409,498.72 is: 8,115,346.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085,168.06 : 19,630,409.70 = 5,409,498.72 : x
  2. Step 2: Convert to fraction form
    13,085,168.06/19,630,409.70 = 5,409,498.72/x
  3. Step 3: Cross multiply
    13,085,168.06x = 19,630,409.70 × 5,409,498.72
  4. Step 4: Simplify right side
    13,085,168.06x = 106,190,676,145,225.58
  5. Step 5: Solve for x
    x = 106,190,676,145,225.58/13,085,168.06
  6. Step 6: Final answer
    x = 8,115,346.75

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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.