Home / 30,312,164.52-41,831,388.90-16,561,981.80

Finding the Fourth Proportional to 30,312,164.52, 41,831,388.90 and 16,561,981.80

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Solution

The fourth proportional to 30,312,164.52, 41,831,388.90 and 16,561,981.80 is: 22,855,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,312,164.52 : 41,831,388.90 = 16,561,981.80 : x
  2. Step 2: Convert to fraction form
    30,312,164.52/41,831,388.90 = 16,561,981.80/x
  3. Step 3: Cross multiply
    30,312,164.52x = 41,831,388.90 × 16,561,981.80
  4. Step 4: Simplify right side
    30,312,164.52x = 692,810,701,630,522
  5. Step 5: Solve for x
    x = 692,810,701,630,522/30,312,164.52
  6. Step 6: Final answer
    x = 22,855,863.73

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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.