Home / 25,455,155.15-35,129,270.87-15,001,612.67

Finding the Fourth Proportional to 25,455,155.15, 35,129,270.87 and 15,001,612.67

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Solution

The fourth proportional to 25,455,155.15, 35,129,270.87 and 15,001,612.67 is: 20,702,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455,155.15 : 35,129,270.87 = 15,001,612.67 : x
  2. Step 2: Convert to fraction form
    25,455,155.15/35,129,270.87 = 15,001,612.67/x
  3. Step 3: Cross multiply
    25,455,155.15x = 35,129,270.87 × 15,001,612.67
  4. Step 4: Simplify right side
    25,455,155.15x = 526,995,715,068,688.44
  5. Step 5: Solve for x
    x = 526,995,715,068,688.44/25,455,155.15
  6. Step 6: Final answer
    x = 20,702,907.21

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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.