Home / 10,429,539.40-15,647,030.70-4,040,000.20

Finding the Fourth Proportional to 10,429,539.40, 15,647,030.70 and 4,040,000.20

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Solution

The fourth proportional to 10,429,539.40, 15,647,030.70 and 4,040,000.20 is: 6,061,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,539.40 : 15,647,030.70 = 4,040,000.20 : x
  2. Step 2: Convert to fraction form
    10,429,539.40/15,647,030.70 = 4,040,000.20/x
  3. Step 3: Cross multiply
    10,429,539.40x = 15,647,030.70 × 4,040,000.20
  4. Step 4: Simplify right side
    10,429,539.40x = 63,214,007,157,406.14
  5. Step 5: Solve for x
    x = 63,214,007,157,406.14/10,429,539.40
  6. Step 6: Final answer
    x = 6,061,054.54

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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.