Home / 8,809,897.40-13,214,846.10-7,886,108.60

Finding the Fourth Proportional to 8,809,897.40, 13,214,846.10 and 7,886,108.60

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Solution

The fourth proportional to 8,809,897.40, 13,214,846.10 and 7,886,108.60 is: 11,829,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,897.40 : 13,214,846.10 = 7,886,108.60 : x
  2. Step 2: Convert to fraction form
    8,809,897.40/13,214,846.10 = 7,886,108.60/x
  3. Step 3: Cross multiply
    8,809,897.40x = 13,214,846.10 × 7,886,108.60
  4. Step 4: Simplify right side
    8,809,897.40x = 104,213,711,476,886.45
  5. Step 5: Solve for x
    x = 104,213,711,476,886.45/8,809,897.40
  6. Step 6: Final answer
    x = 11,829,162.90

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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.