Home / 7,372,778.34-10,174,783.74-4,109,616.38

Finding the Fourth Proportional to 7,372,778.34, 10,174,783.74 and 4,109,616.38

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Solution

The fourth proportional to 7,372,778.34, 10,174,783.74 and 4,109,616.38 is: 5,671,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372,778.34 : 10,174,783.74 = 4,109,616.38 : x
  2. Step 2: Convert to fraction form
    7,372,778.34/10,174,783.74 = 4,109,616.38/x
  3. Step 3: Cross multiply
    7,372,778.34x = 10,174,783.74 × 4,109,616.38
  4. Step 4: Simplify right side
    7,372,778.34x = 41,814,457,920,861.66
  5. Step 5: Solve for x
    x = 41,814,457,920,861.66/7,372,778.34
  6. Step 6: Final answer
    x = 5,671,465.49

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1.5x scale

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.