Home / 28,477,994.66-39,299,634.07-15,425,258.16

Finding the Fourth Proportional to 28,477,994.66, 39,299,634.07 and 15,425,258.16

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Solution

The fourth proportional to 28,477,994.66, 39,299,634.07 and 15,425,258.16 is: 21,286,857.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477,994.66 : 39,299,634.07 = 15,425,258.16 : x
  2. Step 2: Convert to fraction form
    28,477,994.66/39,299,634.07 = 15,425,258.16/x
  3. Step 3: Cross multiply
    28,477,994.66x = 39,299,634.07 × 15,425,258.16
  4. Step 4: Simplify right side
    28,477,994.66x = 606,207,001,123,281.50
  5. Step 5: Solve for x
    x = 606,207,001,123,281.50/28,477,994.66
  6. Step 6: Final answer
    x = 21,286,857.04

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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.