Home / 9,340,578.88-12,889,706.40-5,475,674.16

Finding the Fourth Proportional to 9,340,578.88, 12,889,706.40 and 5,475,674.16

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Solution

The fourth proportional to 9,340,578.88, 12,889,706.40 and 5,475,674.16 is: 7,556,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340,578.88 : 12,889,706.40 = 5,475,674.16 : x
  2. Step 2: Convert to fraction form
    9,340,578.88/12,889,706.40 = 5,475,674.16/x
  3. Step 3: Cross multiply
    9,340,578.88x = 12,889,706.40 × 5,475,674.16
  4. Step 4: Simplify right side
    9,340,578.88x = 70,579,832,264,466.62
  5. Step 5: Solve for x
    x = 70,579,832,264,466.62/9,340,578.88
  6. Step 6: Final answer
    x = 7,556,258.90

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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.