Home / 21,525,354.11-29,704,980.12-11,735,806.31

Finding the Fourth Proportional to 21,525,354.11, 29,704,980.12 and 11,735,806.31

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Solution

The fourth proportional to 21,525,354.11, 29,704,980.12 and 11,735,806.31 is: 16,195,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,354.11 : 29,704,980.12 = 11,735,806.31 : x
  2. Step 2: Convert to fraction form
    21,525,354.11/29,704,980.12 = 11,735,806.31/x
  3. Step 3: Cross multiply
    21,525,354.11x = 29,704,980.12 × 11,735,806.31
  4. Step 4: Simplify right side
    21,525,354.11x = 348,611,893,130,720.56
  5. Step 5: Solve for x
    x = 348,611,893,130,720.56/21,525,354.11
  6. Step 6: Final answer
    x = 16,195,408.05

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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.