Home / 19,009,876.80-28,514,815.20-8,932,180.80

Finding the Fourth Proportional to 19,009,876.80, 28,514,815.20 and 8,932,180.80

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Solution

The fourth proportional to 19,009,876.80, 28,514,815.20 and 8,932,180.80 is: 13,398,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,876.80 : 28,514,815.20 = 8,932,180.80 : x
  2. Step 2: Convert to fraction form
    19,009,876.80/28,514,815.20 = 8,932,180.80/x
  3. Step 3: Cross multiply
    19,009,876.80x = 28,514,815.20 × 8,932,180.80
  4. Step 4: Simplify right side
    19,009,876.80x = 254,699,484,844,988.19
  5. Step 5: Solve for x
    x = 254,699,484,844,988.19/19,009,876.80
  6. Step 6: Final answer
    x = 13,398,271.20

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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.