Home / 28,970,042.16-39,968,770.55-17,952,772.02

Finding the Fourth Proportional to 28,970,042.16, 39,968,770.55 and 17,952,772.02

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Solution

The fourth proportional to 28,970,042.16, 39,968,770.55 and 17,952,772.02 is: 24,768,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,042.16 : 39,968,770.55 = 17,952,772.02 : x
  2. Step 2: Convert to fraction form
    28,970,042.16/39,968,770.55 = 17,952,772.02/x
  3. Step 3: Cross multiply
    28,970,042.16x = 39,968,770.55 × 17,952,772.02
  4. Step 4: Simplify right side
    28,970,042.16x = 717,550,225,603,840
  5. Step 5: Solve for x
    x = 717,550,225,603,840/28,970,042.16
  6. Step 6: Final answer
    x = 24,768,698.01

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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.