Home / 8,760,721.80-12,089,667.42-4,893,299.40

Finding the Fourth Proportional to 8,760,721.80, 12,089,667.42 and 4,893,299.40

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Solution

The fourth proportional to 8,760,721.80, 12,089,667.42 and 4,893,299.40 is: 6,752,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760,721.80 : 12,089,667.42 = 4,893,299.40 : x
  2. Step 2: Convert to fraction form
    8,760,721.80/12,089,667.42 = 4,893,299.40/x
  3. Step 3: Cross multiply
    8,760,721.80x = 12,089,667.42 × 4,893,299.40
  4. Step 4: Simplify right side
    8,760,721.80x = 59,158,362,332,485.55
  5. Step 5: Solve for x
    x = 59,158,362,332,485.55/8,760,721.80
  6. Step 6: Final answer
    x = 6,752,681.31

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1.5x scale

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.