Home / 8,929,754.46-13,390,298.69-5,237,786.81

Finding the Fourth Proportional to 8,929,754.46, 13,390,298.69 and 5,237,786.81

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Solution

The fourth proportional to 8,929,754.46, 13,390,298.69 and 5,237,786.81 is: 7,854,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929,754.46 : 13,390,298.69 = 5,237,786.81 : x
  2. Step 2: Convert to fraction form
    8,929,754.46/13,390,298.69 = 5,237,786.81/x
  3. Step 3: Cross multiply
    8,929,754.46x = 13,390,298.69 × 5,237,786.81
  4. Step 4: Simplify right side
    8,929,754.46x = 70,135,529,860,442.27
  5. Step 5: Solve for x
    x = 70,135,529,860,442.27/8,929,754.46
  6. Step 6: Final answer
    x = 7,854,138.67

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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.