Home / 9,520,075.85-13,137,720.23-5,169,170.57

Finding the Fourth Proportional to 9,520,075.85, 13,137,720.23 and 5,169,170.57

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Solution

The fourth proportional to 9,520,075.85, 13,137,720.23 and 5,169,170.57 is: 7,133,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520,075.85 : 13,137,720.23 = 5,169,170.57 : x
  2. Step 2: Convert to fraction form
    9,520,075.85/13,137,720.23 = 5,169,170.57/x
  3. Step 3: Cross multiply
    9,520,075.85x = 13,137,720.23 × 5,169,170.57
  4. Step 4: Simplify right side
    9,520,075.85x = 67,911,116,743,963.78
  5. Step 5: Solve for x
    x = 67,911,116,743,963.78/9,520,075.85
  6. Step 6: Final answer
    x = 7,133,463.83

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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.