Home / 8,907,881.55-13,371,271.11-7,889,820.75

Finding the Fourth Proportional to 8,907,881.55, 13,371,271.11 and 7,889,820.75

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Solution

The fourth proportional to 8,907,881.55, 13,371,271.11 and 7,889,820.75 is: 11,843,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,881.55 : 13,371,271.11 = 7,889,820.75 : x
  2. Step 2: Convert to fraction form
    8,907,881.55/13,371,271.11 = 7,889,820.75/x
  3. Step 3: Cross multiply
    8,907,881.55x = 13,371,271.11 × 7,889,820.75
  4. Step 4: Simplify right side
    8,907,881.55x = 105,496,932,257,553.53
  5. Step 5: Solve for x
    x = 105,496,932,257,553.53/8,907,881.55
  6. Step 6: Final answer
    x = 11,843,100.03

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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.