Home / 13,609,726.20-20,390,969.70-11,483,962.20

Finding the Fourth Proportional to 13,609,726.20, 20,390,969.70 and 11,483,962.20

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Solution

The fourth proportional to 13,609,726.20, 20,390,969.70 and 11,483,962.20 is: 17,206,012.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,726.20 : 20,390,969.70 = 11,483,962.20 : x
  2. Step 2: Convert to fraction form
    13,609,726.20/20,390,969.70 = 11,483,962.20/x
  3. Step 3: Cross multiply
    13,609,726.20x = 20,390,969.70 × 11,483,962.20
  4. Step 4: Simplify right side
    13,609,726.20x = 234,169,125,256,145.31
  5. Step 5: Solve for x
    x = 234,169,125,256,145.31/13,609,726.20
  6. Step 6: Final answer
    x = 17,206,012.95

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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.