Home / 11,329,907.20-16,994,860.80-9,788,728.30

Finding the Fourth Proportional to 11,329,907.20, 16,994,860.80 and 9,788,728.30

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Solution

The fourth proportional to 11,329,907.20, 16,994,860.80 and 9,788,728.30 is: 14,683,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329,907.20 : 16,994,860.80 = 9,788,728.30 : x
  2. Step 2: Convert to fraction form
    11,329,907.20/16,994,860.80 = 9,788,728.30/x
  3. Step 3: Cross multiply
    11,329,907.20x = 16,994,860.80 × 9,788,728.30
  4. Step 4: Simplify right side
    11,329,907.20x = 166,358,074,867,520.66
  5. Step 5: Solve for x
    x = 166,358,074,867,520.66/11,329,907.20
  6. Step 6: Final answer
    x = 14,683,092.45

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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.