Home / 21,809,931.80-32,714,897.70-19,684,167.80

Finding the Fourth Proportional to 21,809,931.80, 32,714,897.70 and 19,684,167.80

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Solution

The fourth proportional to 21,809,931.80, 32,714,897.70 and 19,684,167.80 is: 29,526,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809,931.80 : 32,714,897.70 = 19,684,167.80 : x
  2. Step 2: Convert to fraction form
    21,809,931.80/32,714,897.70 = 19,684,167.80/x
  3. Step 3: Cross multiply
    21,809,931.80x = 32,714,897.70 × 19,684,167.80
  4. Step 4: Simplify right side
    21,809,931.80x = 643,965,535,886,634.12
  5. Step 5: Solve for x
    x = 643,965,535,886,634.12/21,809,931.80
  6. Step 6: Final answer
    x = 29,526,251.70

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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.