Home / 12,205,466.66-18,308,199.84-9,511,807.11

Finding the Fourth Proportional to 12,205,466.66, 18,308,199.84 and 9,511,807.11

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Solution

The fourth proportional to 12,205,466.66, 18,308,199.84 and 9,511,807.11 is: 14,267,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205,466.66 : 18,308,199.84 = 9,511,807.11 : x
  2. Step 2: Convert to fraction form
    12,205,466.66/18,308,199.84 = 9,511,807.11/x
  3. Step 3: Cross multiply
    12,205,466.66x = 18,308,199.84 × 9,511,807.11
  4. Step 4: Simplify right side
    12,205,466.66x = 174,144,065,409,412.84
  5. Step 5: Solve for x
    x = 174,144,065,409,412.84/12,205,466.66
  6. Step 6: Final answer
    x = 14,267,710.55

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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.