Home / 8,198,240.54-12,289,130.60-2,803,200.71

Finding the Fourth Proportional to 8,198,240.54, 12,289,130.60 and 2,803,200.71

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Solution

The fourth proportional to 8,198,240.54, 12,289,130.60 and 2,803,200.71 is: 4,201,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,240.54 : 12,289,130.60 = 2,803,200.71 : x
  2. Step 2: Convert to fraction form
    8,198,240.54/12,289,130.60 = 2,803,200.71/x
  3. Step 3: Cross multiply
    8,198,240.54x = 12,289,130.60 × 2,803,200.71
  4. Step 4: Simplify right side
    8,198,240.54x = 34,448,899,547,741.07
  5. Step 5: Solve for x
    x = 34,448,899,547,741.07/8,198,240.54
  6. Step 6: Final answer
    x = 4,201,986.93

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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.