Home / 9,631,124.45-13,290,599.05-5,280,115.28

Finding the Fourth Proportional to 9,631,124.45, 13,290,599.05 and 5,280,115.28

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Solution

The fourth proportional to 9,631,124.45, 13,290,599.05 and 5,280,115.28 is: 7,286,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631,124.45 : 13,290,599.05 = 5,280,115.28 : x
  2. Step 2: Convert to fraction form
    9,631,124.45/13,290,599.05 = 5,280,115.28/x
  3. Step 3: Cross multiply
    9,631,124.45x = 13,290,599.05 × 5,280,115.28
  4. Step 4: Simplify right side
    9,631,124.45x = 70,175,895,124,258.49
  5. Step 5: Solve for x
    x = 70,175,895,124,258.49/9,631,124.45
  6. Step 6: Final answer
    x = 7,286,365.73

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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.