Home / 13,005,465.56-19,510,935.74-4,918,260.32

Finding the Fourth Proportional to 13,005,465.56, 19,510,935.74 and 4,918,260.32

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Solution

The fourth proportional to 13,005,465.56, 19,510,935.74 and 4,918,260.32 is: 7,378,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,465.56 : 19,510,935.74 = 4,918,260.32 : x
  2. Step 2: Convert to fraction form
    13,005,465.56/19,510,935.74 = 4,918,260.32/x
  3. Step 3: Cross multiply
    13,005,465.56x = 19,510,935.74 × 4,918,260.32
  4. Step 4: Simplify right side
    13,005,465.56x = 95,959,860,933,965.86
  5. Step 5: Solve for x
    x = 95,959,860,933,965.86/13,005,465.56
  6. Step 6: Final answer
    x = 7,378,425.67

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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.