Home / 20,477,974.15-30,711,362.50-7,697,496.07

Finding the Fourth Proportional to 20,477,974.15, 30,711,362.50 and 7,697,496.07

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Solution

The fourth proportional to 20,477,974.15, 30,711,362.50 and 7,697,496.07 is: 11,544,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477,974.15 : 30,711,362.50 = 7,697,496.07 : x
  2. Step 2: Convert to fraction form
    20,477,974.15/30,711,362.50 = 7,697,496.07/x
  3. Step 3: Cross multiply
    20,477,974.15x = 30,711,362.50 × 7,697,496.07
  4. Step 4: Simplify right side
    20,477,974.15x = 236,400,592,148,095.38
  5. Step 5: Solve for x
    x = 236,400,592,148,095.38/20,477,974.15
  6. Step 6: Final answer
    x = 11,544,139.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.