Home / 26,075,907.20-39,113,666.40-7,880,067.20

Finding the Fourth Proportional to 26,075,907.20, 39,113,666.40 and 7,880,067.20

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Solution

The fourth proportional to 26,075,907.20, 39,113,666.40 and 7,880,067.20 is: 11,820,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,075,907.20 : 39,113,666.40 = 7,880,067.20 : x
  2. Step 2: Convert to fraction form
    26,075,907.20/39,113,666.40 = 7,880,067.20/x
  3. Step 3: Cross multiply
    26,075,907.20x = 39,113,666.40 × 7,880,067.20
  4. Step 4: Simplify right side
    26,075,907.20x = 308,218,319,670,382.06
  5. Step 5: Solve for x
    x = 308,218,319,670,382.06/26,075,907.20
  6. Step 6: Final answer
    x = 11,820,042.05

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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.