Home / 10,002,810.02-13,803,891.89-5,419,131.39

Finding the Fourth Proportional to 10,002,810.02, 13,803,891.89 and 5,419,131.39

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Solution

The fourth proportional to 10,002,810.02, 13,803,891.89 and 5,419,131.39 is: 7,478,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,810.02 : 13,803,891.89 = 5,419,131.39 : x
  2. Step 2: Convert to fraction form
    10,002,810.02/13,803,891.89 = 5,419,131.39/x
  3. Step 3: Cross multiply
    10,002,810.02x = 13,803,891.89 × 5,419,131.39
  4. Step 4: Simplify right side
    10,002,810.02x = 74,805,103,818,169.77
  5. Step 5: Solve for x
    x = 74,805,103,818,169.77/10,002,810.02
  6. Step 6: Final answer
    x = 7,478,408.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.