Home / 8,576,987.19-12,865,485.40-5,384,355.39

Finding the Fourth Proportional to 8,576,987.19, 12,865,485.40 and 5,384,355.39

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Solution

The fourth proportional to 8,576,987.19, 12,865,485.40 and 5,384,355.39 is: 8,076,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576,987.19 : 12,865,485.40 = 5,384,355.39 : x
  2. Step 2: Convert to fraction form
    8,576,987.19/12,865,485.40 = 5,384,355.39/x
  3. Step 3: Cross multiply
    8,576,987.19x = 12,865,485.40 × 5,384,355.39
  4. Step 4: Simplify right side
    8,576,987.19x = 69,272,345,621,005.50
  5. Step 5: Solve for x
    x = 69,272,345,621,005.50/8,576,987.19
  6. Step 6: Final answer
    x = 8,076,535.97

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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.