Home / 18,882,003.70-28,334,669.55-7,521,267.70

Finding the Fourth Proportional to 18,882,003.70, 28,334,669.55 and 7,521,267.70

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Solution

The fourth proportional to 18,882,003.70, 28,334,669.55 and 7,521,267.70 is: 11,286,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882,003.70 : 28,334,669.55 = 7,521,267.70 : x
  2. Step 2: Convert to fraction form
    18,882,003.70/28,334,669.55 = 7,521,267.70/x
  3. Step 3: Cross multiply
    18,882,003.70x = 28,334,669.55 × 7,521,267.70
  4. Step 4: Simplify right side
    18,882,003.70x = 213,112,634,876,588.53
  5. Step 5: Solve for x
    x = 213,112,634,876,588.53/18,882,003.70
  6. Step 6: Final answer
    x = 11,286,547.67

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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.