Home / 42,624,115.45-63,944,467.58-18,362,995.45

Finding the Fourth Proportional to 42,624,115.45, 63,944,467.58 and 18,362,995.45

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Solution

The fourth proportional to 42,624,115.45, 63,944,467.58 and 18,362,995.45 is: 27,548,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624,115.45 : 63,944,467.58 = 18,362,995.45 : x
  2. Step 2: Convert to fraction form
    42,624,115.45/63,944,467.58 = 18,362,995.45/x
  3. Step 3: Cross multiply
    42,624,115.45x = 63,944,467.58 × 18,362,995.45
  4. Step 4: Simplify right side
    42,624,115.45x = 1,174,211,967,132,397.50
  5. Step 5: Solve for x
    x = 1,174,211,967,132,397.50/42,624,115.45
  6. Step 6: Final answer
    x = 27,548,066.50

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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.