Home / 9,295,905.40-13,943,858.10-8,658,176.20

Finding the Fourth Proportional to 9,295,905.40, 13,943,858.10 and 8,658,176.20

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Solution

The fourth proportional to 9,295,905.40, 13,943,858.10 and 8,658,176.20 is: 12,987,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295,905.40 : 13,943,858.10 = 8,658,176.20 : x
  2. Step 2: Convert to fraction form
    9,295,905.40/13,943,858.10 = 8,658,176.20/x
  3. Step 3: Cross multiply
    9,295,905.40x = 13,943,858.10 × 8,658,176.20
  4. Step 4: Simplify right side
    9,295,905.40x = 120,728,380,337,597.20
  5. Step 5: Solve for x
    x = 120,728,380,337,597.20/9,295,905.40
  6. Step 6: Final answer
    x = 12,987,264.30

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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.