Home / 10,647,927.40-15,971,891.10-3,075,140.20

Finding the Fourth Proportional to 10,647,927.40, 15,971,891.10 and 3,075,140.20

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Solution

The fourth proportional to 10,647,927.40, 15,971,891.10 and 3,075,140.20 is: 4,612,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,927.40 : 15,971,891.10 = 3,075,140.20 : x
  2. Step 2: Convert to fraction form
    10,647,927.40/15,971,891.10 = 3,075,140.20/x
  3. Step 3: Cross multiply
    10,647,927.40x = 15,971,891.10 × 3,075,140.20
  4. Step 4: Simplify right side
    10,647,927.40x = 49,115,804,391,632.22
  5. Step 5: Solve for x
    x = 49,115,804,391,632.22/10,647,927.40
  6. Step 6: Final answer
    x = 4,612,710.30

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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.