Home / 8,905,982.08-12,290,259.72-4,831,600

Finding the Fourth Proportional to 8,905,982.08, 12,290,259.72 and 4,831,600

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Solution

The fourth proportional to 8,905,982.08, 12,290,259.72 and 4,831,600 is: 6,667,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,982.08 : 12,290,259.72 = 4,831,600 : x
  2. Step 2: Convert to fraction form
    8,905,982.08/12,290,259.72 = 4,831,600/x
  3. Step 3: Cross multiply
    8,905,982.08x = 12,290,259.72 × 4,831,600
  4. Step 4: Simplify right side
    8,905,982.08x = 59,381,618,863,152
  5. Step 5: Solve for x
    x = 59,381,618,863,152/8,905,982.08
  6. Step 6: Final answer
    x = 6,667,610.41

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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.