Home / 12,294,406.40-18,441,609.60-7,511,437.40

Finding the Fourth Proportional to 12,294,406.40, 18,441,609.60 and 7,511,437.40

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Solution

The fourth proportional to 12,294,406.40, 18,441,609.60 and 7,511,437.40 is: 11,267,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,406.40 : 18,441,609.60 = 7,511,437.40 : x
  2. Step 2: Convert to fraction form
    12,294,406.40/18,441,609.60 = 7,511,437.40/x
  3. Step 3: Cross multiply
    12,294,406.40x = 18,441,609.60 × 7,511,437.40
  4. Step 4: Simplify right side
    12,294,406.40x = 138,522,996,065,639.06
  5. Step 5: Solve for x
    x = 138,522,996,065,639.06/12,294,406.40
  6. Step 6: Final answer
    x = 11,267,156.10

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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.