Home / 12,075,756.78-16,688,454.39-9,896,863.26

Finding the Fourth Proportional to 12,075,756.78, 16,688,454.39 and 9,896,863.26

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Solution

The fourth proportional to 12,075,756.78, 16,688,454.39 and 9,896,863.26 is: 13,677,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075,756.78 : 16,688,454.39 = 9,896,863.26 : x
  2. Step 2: Convert to fraction form
    12,075,756.78/16,688,454.39 = 9,896,863.26/x
  3. Step 3: Cross multiply
    12,075,756.78x = 16,688,454.39 × 9,896,863.26
  4. Step 4: Simplify right side
    12,075,756.78x = 165,163,351,118,576.72
  5. Step 5: Solve for x
    x = 165,163,351,118,576.72/12,075,756.78
  6. Step 6: Final answer
    x = 13,677,267.12

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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.