Home / 7,132,876.80-9,843,206.40-4,076,908.80

Finding the Fourth Proportional to 7,132,876.80, 9,843,206.40 and 4,076,908.80

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Solution

The fourth proportional to 7,132,876.80, 9,843,206.40 and 4,076,908.80 is: 5,626,040.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132,876.80 : 9,843,206.40 = 4,076,908.80 : x
  2. Step 2: Convert to fraction form
    7,132,876.80/9,843,206.40 = 4,076,908.80/x
  3. Step 3: Cross multiply
    7,132,876.80x = 9,843,206.40 × 4,076,908.80
  4. Step 4: Simplify right side
    7,132,876.80x = 40,129,854,792,376.32
  5. Step 5: Solve for x
    x = 40,129,854,792,376.32/7,132,876.80
  6. Step 6: Final answer
    x = 5,626,040.64

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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.