Home / 7,518,721.68-11,280,511.28-3,477,860.16

Finding the Fourth Proportional to 7,518,721.68, 11,280,511.28 and 3,477,860.16

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Solution

The fourth proportional to 7,518,721.68, 11,280,511.28 and 3,477,860.16 is: 5,217,913.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,721.68 : 11,280,511.28 = 3,477,860.16 : x
  2. Step 2: Convert to fraction form
    7,518,721.68/11,280,511.28 = 3,477,860.16/x
  3. Step 3: Cross multiply
    7,518,721.68x = 11,280,511.28 × 3,477,860.16
  4. Step 4: Simplify right side
    7,518,721.68x = 39,232,040,765,142.60
  5. Step 5: Solve for x
    x = 39,232,040,765,142.60/7,518,721.68
  6. Step 6: Final answer
    x = 5,217,913.69

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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.