Home / 28,964,928-43,452,986.88-11,012,636.16

Finding the Fourth Proportional to 28,964,928, 43,452,986.88 and 11,012,636.16

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Solution

The fourth proportional to 28,964,928, 43,452,986.88 and 11,012,636.16 is: 16,521,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,928 : 43,452,986.88 = 11,012,636.16 : x
  2. Step 2: Convert to fraction form
    28,964,928/43,452,986.88 = 11,012,636.16/x
  3. Step 3: Cross multiply
    28,964,928x = 43,452,986.88 × 11,012,636.16
  4. Step 4: Simplify right side
    28,964,928x = 478,531,934,574,693.62
  5. Step 5: Solve for x
    x = 478,531,934,574,693.62/28,964,928
  6. Step 6: Final answer
    x = 16,521,081.45

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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.