Home / 28,066,512.15-42,099,768.23-12,949,968.15

Finding the Fourth Proportional to 28,066,512.15, 42,099,768.23 and 12,949,968.15

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Solution

The fourth proportional to 28,066,512.15, 42,099,768.23 and 12,949,968.15 is: 19,424,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066,512.15 : 42,099,768.23 = 12,949,968.15 : x
  2. Step 2: Convert to fraction form
    28,066,512.15/42,099,768.23 = 12,949,968.15/x
  3. Step 3: Cross multiply
    28,066,512.15x = 42,099,768.23 × 12,949,968.15
  4. Step 4: Simplify right side
    28,066,512.15x = 545,190,657,636,132.06
  5. Step 5: Solve for x
    x = 545,190,657,636,132.06/28,066,512.15
  6. Step 6: Final answer
    x = 19,424,952.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.