Home / 12,463,702.80-18,695,554.20-5,272,846.80

Finding the Fourth Proportional to 12,463,702.80, 18,695,554.20 and 5,272,846.80

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Solution

The fourth proportional to 12,463,702.80, 18,695,554.20 and 5,272,846.80 is: 7,909,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,702.80 : 18,695,554.20 = 5,272,846.80 : x
  2. Step 2: Convert to fraction form
    12,463,702.80/18,695,554.20 = 5,272,846.80/x
  3. Step 3: Cross multiply
    12,463,702.80x = 18,695,554.20 × 5,272,846.80
  4. Step 4: Simplify right side
    12,463,702.80x = 98,578,793,137,696.55
  5. Step 5: Solve for x
    x = 98,578,793,137,696.55/12,463,702.80
  6. Step 6: Final answer
    x = 7,909,270.20

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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.