Home / 18,621,448.45-25,697,598.87-10,362,042.76

Finding the Fourth Proportional to 18,621,448.45, 25,697,598.87 and 10,362,042.76

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Solution

The fourth proportional to 18,621,448.45, 25,697,598.87 and 10,362,042.76 is: 14,299,619.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,448.45 : 25,697,598.87 = 10,362,042.76 : x
  2. Step 2: Convert to fraction form
    18,621,448.45/25,697,598.87 = 10,362,042.76/x
  3. Step 3: Cross multiply
    18,621,448.45x = 25,697,598.87 × 10,362,042.76
  4. Step 4: Simplify right side
    18,621,448.45x = 266,279,618,320,267.69
  5. Step 5: Solve for x
    x = 266,279,618,320,267.69/18,621,448.45
  6. Step 6: Final answer
    x = 14,299,619.01

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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.