Home / 10,429,539.90-15,647,031.45-4,040,000.70

Finding the Fourth Proportional to 10,429,539.90, 15,647,031.45 and 4,040,000.70

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Solution

The fourth proportional to 10,429,539.90, 15,647,031.45 and 4,040,000.70 is: 6,061,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,539.90 : 15,647,031.45 = 4,040,000.70 : x
  2. Step 2: Convert to fraction form
    10,429,539.90/15,647,031.45 = 4,040,000.70/x
  3. Step 3: Cross multiply
    10,429,539.90x = 15,647,031.45 × 4,040,000.70
  4. Step 4: Simplify right side
    10,429,539.90x = 63,214,018,010,922.02
  5. Step 5: Solve for x
    x = 63,214,018,010,922.02/10,429,539.90
  6. Step 6: Final answer
    x = 6,061,055.29

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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.