Home / 30,097,396.62-45,134,542.14-12,814,640.22

Finding the Fourth Proportional to 30,097,396.62, 45,134,542.14 and 12,814,640.22

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Solution

The fourth proportional to 30,097,396.62, 45,134,542.14 and 12,814,640.22 is: 19,217,041.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,097,396.62 : 45,134,542.14 = 12,814,640.22 : x
  2. Step 2: Convert to fraction form
    30,097,396.62/45,134,542.14 = 12,814,640.22/x
  3. Step 3: Cross multiply
    30,097,396.62x = 45,134,542.14 × 12,814,640.22
  4. Step 4: Simplify right side
    30,097,396.62x = 578,382,919,018,528.88
  5. Step 5: Solve for x
    x = 578,382,919,018,528.88/30,097,396.62
  6. Step 6: Final answer
    x = 19,217,041.47

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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.