Home / 15,135,577.23-20,886,805.12-8,260,108.50

Finding the Fourth Proportional to 15,135,577.23, 20,886,805.12 and 8,260,108.50

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Solution

The fourth proportional to 15,135,577.23, 20,886,805.12 and 8,260,108.50 is: 11,398,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,577.23 : 20,886,805.12 = 8,260,108.50 : x
  2. Step 2: Convert to fraction form
    15,135,577.23/20,886,805.12 = 8,260,108.50/x
  3. Step 3: Cross multiply
    15,135,577.23x = 20,886,805.12 × 8,260,108.50
  4. Step 4: Simplify right side
    15,135,577.23x = 172,527,276,509,555.53
  5. Step 5: Solve for x
    x = 172,527,276,509,555.53/15,135,577.23
  6. Step 6: Final answer
    x = 11,398,790.67

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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.