Home / 8,130,890.57-11,220,598.51-5,032,796.90

Finding the Fourth Proportional to 8,130,890.57, 11,220,598.51 and 5,032,796.90

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Solution

The fourth proportional to 8,130,890.57, 11,220,598.51 and 5,032,796.90 is: 6,945,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,890.57 : 11,220,598.51 = 5,032,796.90 : x
  2. Step 2: Convert to fraction form
    8,130,890.57/11,220,598.51 = 5,032,796.90/x
  3. Step 3: Cross multiply
    8,130,890.57x = 11,220,598.51 × 5,032,796.90
  4. Step 4: Simplify right side
    8,130,890.57x = 56,470,993,328,587.63
  5. Step 5: Solve for x
    x = 56,470,993,328,587.63/8,130,890.57
  6. Step 6: Final answer
    x = 6,945,240.85

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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.