Home / 19,009,708.80-28,514,563.20-17,889,964.80

Finding the Fourth Proportional to 19,009,708.80, 28,514,563.20 and 17,889,964.80

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Solution

The fourth proportional to 19,009,708.80, 28,514,563.20 and 17,889,964.80 is: 26,834,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,708.80 : 28,514,563.20 = 17,889,964.80 : x
  2. Step 2: Convert to fraction form
    19,009,708.80/28,514,563.20 = 17,889,964.80/x
  3. Step 3: Cross multiply
    19,009,708.80x = 28,514,563.20 × 17,889,964.80
  4. Step 4: Simplify right side
    19,009,708.80x = 510,124,531,935,375.38
  5. Step 5: Solve for x
    x = 510,124,531,935,375.38/19,009,708.80
  6. Step 6: Final answer
    x = 26,834,947.20

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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.