Home / 9,090,323.92-13,635,501.37-7,280,201.43

Finding the Fourth Proportional to 9,090,323.92, 13,635,501.37 and 7,280,201.43

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Solution

The fourth proportional to 9,090,323.92, 13,635,501.37 and 7,280,201.43 is: 10,920,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090,323.92 : 13,635,501.37 = 7,280,201.43 : x
  2. Step 2: Convert to fraction form
    9,090,323.92/13,635,501.37 = 7,280,201.43/x
  3. Step 3: Cross multiply
    9,090,323.92x = 13,635,501.37 × 7,280,201.43
  4. Step 4: Simplify right side
    9,090,323.92x = 99,269,196,572,640.95
  5. Step 5: Solve for x
    x = 99,269,196,572,640.95/9,090,323.92
  6. Step 6: Final answer
    x = 10,920,314.55

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1.5x scale

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.