Home / 8,075,415.29-11,143,679.90-4,812,157.35

Finding the Fourth Proportional to 8,075,415.29, 11,143,679.90 and 4,812,157.35

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Solution

The fourth proportional to 8,075,415.29, 11,143,679.90 and 4,812,157.35 is: 6,640,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,415.29 : 11,143,679.90 = 4,812,157.35 : x
  2. Step 2: Convert to fraction form
    8,075,415.29/11,143,679.90 = 4,812,157.35/x
  3. Step 3: Cross multiply
    8,075,415.29x = 11,143,679.90 × 4,812,157.35
  4. Step 4: Simplify right side
    8,075,415.29x = 53,625,141,112,771.47
  5. Step 5: Solve for x
    x = 53,625,141,112,771.47/8,075,415.29
  6. Step 6: Final answer
    x = 6,640,542.84

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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.