Home / 13,426,019.85-20,139,029.78-3,841,711.05

Finding the Fourth Proportional to 13,426,019.85, 20,139,029.78 and 3,841,711.05

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Solution

The fourth proportional to 13,426,019.85, 20,139,029.78 and 3,841,711.05 is: 5,762,566.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,019.85 : 20,139,029.78 = 3,841,711.05 : x
  2. Step 2: Convert to fraction form
    13,426,019.85/20,139,029.78 = 3,841,711.05/x
  3. Step 3: Cross multiply
    13,426,019.85x = 20,139,029.78 × 3,841,711.05
  4. Step 4: Simplify right side
    13,426,019.85x = 77,368,333,242,105.06
  5. Step 5: Solve for x
    x = 77,368,333,242,105.06/13,426,019.85
  6. Step 6: Final answer
    x = 5,762,566.58

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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.