Home / 8,075,111.67-12,115,291.90-5,390,350.47

Finding the Fourth Proportional to 8,075,111.67, 12,115,291.90 and 5,390,350.47

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Solution

The fourth proportional to 8,075,111.67, 12,115,291.90 and 5,390,350.47 is: 8,087,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,111.67 : 12,115,291.90 = 5,390,350.47 : x
  2. Step 2: Convert to fraction form
    8,075,111.67/12,115,291.90 = 5,390,350.47/x
  3. Step 3: Cross multiply
    8,075,111.67x = 12,115,291.90 × 5,390,350.47
  4. Step 4: Simplify right side
    8,075,111.67x = 65,305,669,299,823.98
  5. Step 5: Solve for x
    x = 65,305,669,299,823.98/8,075,111.67
  6. Step 6: Final answer
    x = 8,087,277.55

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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.