Home / 13,044,075.98-18,000,478.94-7,242,708.56

Finding the Fourth Proportional to 13,044,075.98, 18,000,478.94 and 7,242,708.56

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Solution

The fourth proportional to 13,044,075.98, 18,000,478.94 and 7,242,708.56 is: 9,994,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044,075.98 : 18,000,478.94 = 7,242,708.56 : x
  2. Step 2: Convert to fraction form
    13,044,075.98/18,000,478.94 = 7,242,708.56/x
  3. Step 3: Cross multiply
    13,044,075.98x = 18,000,478.94 × 7,242,708.56
  4. Step 4: Simplify right side
    13,044,075.98x = 130,372,222,776,621.78
  5. Step 5: Solve for x
    x = 130,372,222,776,621.78/13,044,075.98
  6. Step 6: Final answer
    x = 9,994,745.74

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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.