Home / 8,905,765.56-12,289,862.60-4,985,553.92

Finding the Fourth Proportional to 8,905,765.56, 12,289,862.60 and 4,985,553.92

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Solution

The fourth proportional to 8,905,765.56, 12,289,862.60 and 4,985,553.92 is: 6,880,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,765.56 : 12,289,862.60 = 4,985,553.92 : x
  2. Step 2: Convert to fraction form
    8,905,765.56/12,289,862.60 = 4,985,553.92/x
  3. Step 3: Cross multiply
    8,905,765.56x = 12,289,862.60 × 4,985,553.92
  4. Step 4: Simplify right side
    8,905,765.56x = 61,271,772,661,691.39
  5. Step 5: Solve for x
    x = 61,271,772,661,691.39/8,905,765.56
  6. Step 6: Final answer
    x = 6,880,011.86

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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.