Home / 30,823,971.62-46,171,617.06-18,488,815.45

Finding the Fourth Proportional to 30,823,971.62, 46,171,617.06 and 18,488,815.45

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Solution

The fourth proportional to 30,823,971.62, 46,171,617.06 and 18,488,815.45 is: 27,694,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823,971.62 : 46,171,617.06 = 18,488,815.45 : x
  2. Step 2: Convert to fraction form
    30,823,971.62/46,171,617.06 = 18,488,815.45/x
  3. Step 3: Cross multiply
    30,823,971.62x = 46,171,617.06 × 18,488,815.45
  4. Step 4: Simplify right side
    30,823,971.62x = 853,658,506,850,411.62
  5. Step 5: Solve for x
    x = 853,658,506,850,411.62/30,823,971.62
  6. Step 6: Final answer
    x = 27,694,630.57

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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.