Home / 20,477,424.03-28,258,677.12-11,184,999.96

Finding the Fourth Proportional to 20,477,424.03, 28,258,677.12 and 11,184,999.96

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Solution

The fourth proportional to 20,477,424.03, 28,258,677.12 and 11,184,999.96 is: 15,435,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477,424.03 : 28,258,677.12 = 11,184,999.96 : x
  2. Step 2: Convert to fraction form
    20,477,424.03/28,258,677.12 = 11,184,999.96/x
  3. Step 3: Cross multiply
    20,477,424.03x = 28,258,677.12 × 11,184,999.96
  4. Step 4: Simplify right side
    20,477,424.03x = 316,073,302,456,852.94
  5. Step 5: Solve for x
    x = 316,073,302,456,852.94/20,477,424.03
  6. Step 6: Final answer
    x = 15,435,208.16

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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.