Home / 8,123,427.09-11,211,564.51-5,184,512.19

Finding the Fourth Proportional to 8,123,427.09, 11,211,564.51 and 5,184,512.19

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Solution

The fourth proportional to 8,123,427.09, 11,211,564.51 and 5,184,512.19 is: 7,155,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,427.09 : 11,211,564.51 = 5,184,512.19 : x
  2. Step 2: Convert to fraction form
    8,123,427.09/11,211,564.51 = 5,184,512.19/x
  3. Step 3: Cross multiply
    8,123,427.09x = 11,211,564.51 × 5,184,512.19
  4. Step 4: Simplify right side
    8,123,427.09x = 58,126,492,871,066.38
  5. Step 5: Solve for x
    x = 58,126,492,871,066.38/8,123,427.09
  6. Step 6: Final answer
    x = 7,155,415.10

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Double scale
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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.