Home / 13,758,940.80-20,638,411.20-9,223,977.60

Finding the Fourth Proportional to 13,758,940.80, 20,638,411.20 and 9,223,977.60

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Solution

The fourth proportional to 13,758,940.80, 20,638,411.20 and 9,223,977.60 is: 13,835,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758,940.80 : 20,638,411.20 = 9,223,977.60 : x
  2. Step 2: Convert to fraction form
    13,758,940.80/20,638,411.20 = 9,223,977.60/x
  3. Step 3: Cross multiply
    13,758,940.80x = 20,638,411.20 × 9,223,977.60
  4. Step 4: Simplify right side
    13,758,940.80x = 190,368,242,608,389.09
  5. Step 5: Solve for x
    x = 190,368,242,608,389.09/13,758,940.80
  6. Step 6: Final answer
    x = 13,835,966.40

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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.