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Finding the Fourth Proportional to 8,709,965.02, 13,064,103.31 and 2,644,750.06

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Solution

The fourth proportional to 8,709,965.02, 13,064,103.31 and 2,644,750.06 is: 3,966,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709,965.02 : 13,064,103.31 = 2,644,750.06 : x
  2. Step 2: Convert to fraction form
    8,709,965.02/13,064,103.31 = 2,644,750.06/x
  3. Step 3: Cross multiply
    8,709,965.02x = 13,064,103.31 × 2,644,750.06
  4. Step 4: Simplify right side
    8,709,965.02x = 34,551,287,999,944.50
  5. Step 5: Solve for x
    x = 34,551,287,999,944.50/8,709,965.02
  6. Step 6: Final answer
    x = 3,966,868.74

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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.