Home / 38,388,116.84-52,975,605.22-20,984,532.98

Finding the Fourth Proportional to 38,388,116.84, 52,975,605.22 and 20,984,532.98

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Solution

The fourth proportional to 38,388,116.84, 52,975,605.22 and 20,984,532.98 is: 28,958,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388,116.84 : 52,975,605.22 = 20,984,532.98 : x
  2. Step 2: Convert to fraction form
    38,388,116.84/52,975,605.22 = 20,984,532.98/x
  3. Step 3: Cross multiply
    38,388,116.84x = 52,975,605.22 × 20,984,532.98
  4. Step 4: Simplify right side
    38,388,116.84x = 1,111,668,334,557,210.88
  5. Step 5: Solve for x
    x = 1,111,668,334,557,210.88/38,388,116.84
  6. Step 6: Final answer
    x = 28,958,657.68

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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.