Home / 30,669,815.41-42,316,796.33-18,745,611.01

Finding the Fourth Proportional to 30,669,815.41, 42,316,796.33 and 18,745,611.01

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Solution

The fourth proportional to 30,669,815.41, 42,316,796.33 and 18,745,611.01 is: 25,864,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669,815.41 : 42,316,796.33 = 18,745,611.01 : x
  2. Step 2: Convert to fraction form
    30,669,815.41/42,316,796.33 = 18,745,611.01/x
  3. Step 3: Cross multiply
    30,669,815.41x = 42,316,796.33 × 18,745,611.01
  4. Step 4: Simplify right side
    30,669,815.41x = 793,254,203,097,847.62
  5. Step 5: Solve for x
    x = 793,254,203,097,847.62/30,669,815.41
  6. Step 6: Final answer
    x = 25,864,329.23

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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.