Home / 10,528,069.77-15,792,103.71-5,739,785.55

Finding the Fourth Proportional to 10,528,069.77, 15,792,103.71 and 5,739,785.55

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Solution

The fourth proportional to 10,528,069.77, 15,792,103.71 and 5,739,785.55 is: 8,609,677.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528,069.77 : 15,792,103.71 = 5,739,785.55 : x
  2. Step 2: Convert to fraction form
    10,528,069.77/15,792,103.71 = 5,739,785.55/x
  3. Step 3: Cross multiply
    10,528,069.77x = 15,792,103.71 × 5,739,785.55
  4. Step 4: Simplify right side
    10,528,069.77x = 90,643,288,678,759.39
  5. Step 5: Solve for x
    x = 90,643,288,678,759.39/10,528,069.77
  6. Step 6: Final answer
    x = 8,609,677.81

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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.