Home / 8,977,914.90-12,363,427.40-7,799,969.16

Finding the Fourth Proportional to 8,977,914.90, 12,363,427.40 and 7,799,969.16

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Solution

The fourth proportional to 8,977,914.90, 12,363,427.40 and 7,799,969.16 is: 10,741,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977,914.90 : 12,363,427.40 = 7,799,969.16 : x
  2. Step 2: Convert to fraction form
    8,977,914.90/12,363,427.40 = 7,799,969.16/x
  3. Step 3: Cross multiply
    8,977,914.90x = 12,363,427.40 × 7,799,969.16
  4. Step 4: Simplify right side
    8,977,914.90x = 96,434,352,431,898.98
  5. Step 5: Solve for x
    x = 96,434,352,431,898.98/8,977,914.90
  6. Step 6: Final answer
    x = 10,741,286.09

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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.