Home / 20,416,383.99-28,174,255.13-11,124,030.42

Finding the Fourth Proportional to 20,416,383.99, 28,174,255.13 and 11,124,030.42

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Solution

The fourth proportional to 20,416,383.99, 28,174,255.13 and 11,124,030.42 is: 15,350,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416,383.99 : 28,174,255.13 = 11,124,030.42 : x
  2. Step 2: Convert to fraction form
    20,416,383.99/28,174,255.13 = 11,124,030.42/x
  3. Step 3: Cross multiply
    20,416,383.99x = 28,174,255.13 × 11,124,030.42
  4. Step 4: Simplify right side
    20,416,383.99x = 313,411,271,071,340.88
  5. Step 5: Solve for x
    x = 313,411,271,071,340.88/20,416,383.99
  6. Step 6: Final answer
    x = 15,350,968.67

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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.