Home / 8,619,125.76-12,925,875.24-2,860,312.37

Finding the Fourth Proportional to 8,619,125.76, 12,925,875.24 and 2,860,312.37

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Solution

The fourth proportional to 8,619,125.76, 12,925,875.24 and 2,860,312.37 is: 4,289,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,125.76 : 12,925,875.24 = 2,860,312.37 : x
  2. Step 2: Convert to fraction form
    8,619,125.76/12,925,875.24 = 2,860,312.37/x
  3. Step 3: Cross multiply
    8,619,125.76x = 12,925,875.24 × 2,860,312.37
  4. Step 4: Simplify right side
    8,619,125.76x = 36,972,040,777,419.34
  5. Step 5: Solve for x
    x = 36,972,040,777,419.34/8,619,125.76
  6. Step 6: Final answer
    x = 4,289,534.90

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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.