Home / 12,186,404.14-18,279,605.10-5,362,977.32

Finding the Fourth Proportional to 12,186,404.14, 18,279,605.10 and 5,362,977.32

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Solution

The fourth proportional to 12,186,404.14, 18,279,605.10 and 5,362,977.32 is: 8,044,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,404.14 : 18,279,605.10 = 5,362,977.32 : x
  2. Step 2: Convert to fraction form
    12,186,404.14/18,279,605.10 = 5,362,977.32/x
  3. Step 3: Cross multiply
    12,186,404.14x = 18,279,605.10 × 5,362,977.32
  4. Step 4: Simplify right side
    12,186,404.14x = 98,033,107,627,710.45
  5. Step 5: Solve for x
    x = 98,033,107,627,710.45/12,186,404.14
  6. Step 6: Final answer
    x = 8,044,465.50

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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.