Home / 19,499,902.76-26,918,556.51-12,888,473.31

Finding the Fourth Proportional to 19,499,902.76, 26,918,556.51 and 12,888,473.31

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Solution

The fourth proportional to 19,499,902.76, 26,918,556.51 and 12,888,473.31 is: 17,791,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499,902.76 : 26,918,556.51 = 12,888,473.31 : x
  2. Step 2: Convert to fraction form
    19,499,902.76/26,918,556.51 = 12,888,473.31/x
  3. Step 3: Cross multiply
    19,499,902.76x = 26,918,556.51 × 12,888,473.31
  4. Step 4: Simplify right side
    19,499,902.76x = 346,939,097,122,861.81
  5. Step 5: Solve for x
    x = 346,939,097,122,861.81/19,499,902.76
  6. Step 6: Final answer
    x = 17,791,837.29

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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.