Home / 30,072,374.35-41,518,619.85-20,669,356.24

Finding the Fourth Proportional to 30,072,374.35, 41,518,619.85 and 20,669,356.24

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Solution

The fourth proportional to 30,072,374.35, 41,518,619.85 and 20,669,356.24 is: 28,536,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072,374.35 : 41,518,619.85 = 20,669,356.24 : x
  2. Step 2: Convert to fraction form
    30,072,374.35/41,518,619.85 = 20,669,356.24/x
  3. Step 3: Cross multiply
    30,072,374.35x = 41,518,619.85 × 20,669,356.24
  4. Step 4: Simplify right side
    30,072,374.35x = 858,163,144,246,498.88
  5. Step 5: Solve for x
    x = 858,163,144,246,498.88/30,072,374.35
  6. Step 6: Final answer
    x = 28,536,594.23

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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.