Home / 8,907,444.30-13,361,166.45-7,631,985.90

Finding the Fourth Proportional to 8,907,444.30, 13,361,166.45 and 7,631,985.90

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Solution

The fourth proportional to 8,907,444.30, 13,361,166.45 and 7,631,985.90 is: 11,447,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,444.30 : 13,361,166.45 = 7,631,985.90 : x
  2. Step 2: Convert to fraction form
    8,907,444.30/13,361,166.45 = 7,631,985.90/x
  3. Step 3: Cross multiply
    8,907,444.30x = 13,361,166.45 × 7,631,985.90
  4. Step 4: Simplify right side
    8,907,444.30x = 101,972,233,953,953.05
  5. Step 5: Solve for x
    x = 101,972,233,953,953.05/8,907,444.30
  6. Step 6: Final answer
    x = 11,447,978.85

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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.