Home / 13,889,556.90-19,168,765.59-7,696,546.22

Finding the Fourth Proportional to 13,889,556.90, 19,168,765.59 and 7,696,546.22

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Solution

The fourth proportional to 13,889,556.90, 19,168,765.59 and 7,696,546.22 is: 10,621,886.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,556.90 : 19,168,765.59 = 7,696,546.22 : x
  2. Step 2: Convert to fraction form
    13,889,556.90/19,168,765.59 = 7,696,546.22/x
  3. Step 3: Cross multiply
    13,889,556.90x = 19,168,765.59 × 7,696,546.22
  4. Step 4: Simplify right side
    13,889,556.90x = 147,533,290,326,899
  5. Step 5: Solve for x
    x = 147,533,290,326,899/13,889,556.90
  6. Step 6: Final answer
    x = 10,621,886.02

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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.