Home / 13,290,898.80-19,936,348.20-13,164,927.60

Finding the Fourth Proportional to 13,290,898.80, 19,936,348.20 and 13,164,927.60

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Solution

The fourth proportional to 13,290,898.80, 19,936,348.20 and 13,164,927.60 is: 19,747,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,898.80 : 19,936,348.20 = 13,164,927.60 : x
  2. Step 2: Convert to fraction form
    13,290,898.80/19,936,348.20 = 13,164,927.60/x
  3. Step 3: Cross multiply
    13,290,898.80x = 19,936,348.20 × 13,164,927.60
  4. Step 4: Simplify right side
    13,290,898.80x = 262,460,580,661,390.31
  5. Step 5: Solve for x
    x = 262,460,580,661,390.31/13,290,898.80
  6. Step 6: Final answer
    x = 19,747,391.40

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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.