Home / 30,668,048.20-42,318,636.26-16,917,011.24

Finding the Fourth Proportional to 30,668,048.20, 42,318,636.26 and 16,917,011.24

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Solution

The fourth proportional to 30,668,048.20, 42,318,636.26 and 16,917,011.24 is: 23,343,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668,048.20 : 42,318,636.26 = 16,917,011.24 : x
  2. Step 2: Convert to fraction form
    30,668,048.20/42,318,636.26 = 16,917,011.24/x
  3. Step 3: Cross multiply
    30,668,048.20x = 42,318,636.26 × 16,917,011.24
  4. Step 4: Simplify right side
    30,668,048.20x = 715,904,845,271,891.50
  5. Step 5: Solve for x
    x = 715,904,845,271,891.50/30,668,048.20
  6. Step 6: Final answer
    x = 23,343,671.58

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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.