Home / 12,219,596.32-18,331,754.81-4,645,973.20

Finding the Fourth Proportional to 12,219,596.32, 18,331,754.81 and 4,645,973.20

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Solution

The fourth proportional to 12,219,596.32, 18,331,754.81 and 4,645,973.20 is: 6,969,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,596.32 : 18,331,754.81 = 4,645,973.20 : x
  2. Step 2: Convert to fraction form
    12,219,596.32/18,331,754.81 = 4,645,973.20/x
  3. Step 3: Cross multiply
    12,219,596.32x = 18,331,754.81 × 4,645,973.20
  4. Step 4: Simplify right side
    12,219,596.32x = 85,168,841,464,572.31
  5. Step 5: Solve for x
    x = 85,168,841,464,572.31/12,219,596.32
  6. Step 6: Final answer
    x = 6,969,857.21

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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.