Home / 19,009,991.80-28,514,987.70-17,890,247.80

Finding the Fourth Proportional to 19,009,991.80, 28,514,987.70 and 17,890,247.80

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Solution

The fourth proportional to 19,009,991.80, 28,514,987.70 and 17,890,247.80 is: 26,835,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,991.80 : 28,514,987.70 = 17,890,247.80 : x
  2. Step 2: Convert to fraction form
    19,009,991.80/28,514,987.70 = 17,890,247.80/x
  3. Step 3: Cross multiply
    19,009,991.80x = 28,514,987.70 × 17,890,247.80
  4. Step 4: Simplify right side
    19,009,991.80x = 510,140,195,966,952.06
  5. Step 5: Solve for x
    x = 510,140,195,966,952.06/19,009,991.80
  6. Step 6: Final answer
    x = 26,835,371.70

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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.