Home / 9,215,627.78-12,717,824.78-5,085,919.33

Finding the Fourth Proportional to 9,215,627.78, 12,717,824.78 and 5,085,919.33

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Solution

The fourth proportional to 9,215,627.78, 12,717,824.78 and 5,085,919.33 is: 7,018,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,627.78 : 12,717,824.78 = 5,085,919.33 : x
  2. Step 2: Convert to fraction form
    9,215,627.78/12,717,824.78 = 5,085,919.33/x
  3. Step 3: Cross multiply
    9,215,627.78x = 12,717,824.78 × 5,085,919.33
  4. Step 4: Simplify right side
    9,215,627.78x = 64,681,830,865,075.23
  5. Step 5: Solve for x
    x = 64,681,830,865,075.23/9,215,627.78
  6. Step 6: Final answer
    x = 7,018,711.30

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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.