Home / 30,783,886.63-42,429,989.57-23,339,083.25

Finding the Fourth Proportional to 30,783,886.63, 42,429,989.57 and 23,339,083.25

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Solution

The fourth proportional to 30,783,886.63, 42,429,989.57 and 23,339,083.25 is: 32,168,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,783,886.63 : 42,429,989.57 = 23,339,083.25 : x
  2. Step 2: Convert to fraction form
    30,783,886.63/42,429,989.57 = 23,339,083.25/x
  3. Step 3: Cross multiply
    30,783,886.63x = 42,429,989.57 × 23,339,083.25
  4. Step 4: Simplify right side
    30,783,886.63x = 990,277,058,860,241.25
  5. Step 5: Solve for x
    x = 990,277,058,860,241.25/30,783,886.63
  6. Step 6: Final answer
    x = 32,168,681.97

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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.