Home / 21,851,481.56-30,154,897.14-11,928,324.20

Finding the Fourth Proportional to 21,851,481.56, 30,154,897.14 and 11,928,324.20

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Solution

The fourth proportional to 21,851,481.56, 30,154,897.14 and 11,928,324.20 is: 16,461,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,481.56 : 30,154,897.14 = 11,928,324.20 : x
  2. Step 2: Convert to fraction form
    21,851,481.56/30,154,897.14 = 11,928,324.20/x
  3. Step 3: Cross multiply
    21,851,481.56x = 30,154,897.14 × 11,928,324.20
  4. Step 4: Simplify right side
    21,851,481.56x = 359,697,389,303,572.75
  5. Step 5: Solve for x
    x = 359,697,389,303,572.75/21,851,481.56
  6. Step 6: Final answer
    x = 16,461,006.93

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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.