Home / 28,860,496.80-43,315,239.60-11,833,389.60

Finding the Fourth Proportional to 28,860,496.80, 43,315,239.60 and 11,833,389.60

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Solution

The fourth proportional to 28,860,496.80, 43,315,239.60 and 11,833,389.60 is: 17,760,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860,496.80 : 43,315,239.60 = 11,833,389.60 : x
  2. Step 2: Convert to fraction form
    28,860,496.80/43,315,239.60 = 11,833,389.60/x
  3. Step 3: Cross multiply
    28,860,496.80x = 43,315,239.60 × 11,833,389.60
  4. Step 4: Simplify right side
    28,860,496.80x = 512,566,105,804,148.19
  5. Step 5: Solve for x
    x = 512,566,105,804,148.19/28,860,496.80
  6. Step 6: Final answer
    x = 17,760,127.60

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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.