Home / 21,889,327.20-32,833,990.80-19,369,903.20

Finding the Fourth Proportional to 21,889,327.20, 32,833,990.80 and 19,369,903.20

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Solution

The fourth proportional to 21,889,327.20, 32,833,990.80 and 19,369,903.20 is: 29,054,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889,327.20 : 32,833,990.80 = 19,369,903.20 : x
  2. Step 2: Convert to fraction form
    21,889,327.20/32,833,990.80 = 19,369,903.20/x
  3. Step 3: Cross multiply
    21,889,327.20x = 32,833,990.80 × 19,369,903.20
  4. Step 4: Simplify right side
    21,889,327.20x = 635,991,223,465,690.50
  5. Step 5: Solve for x
    x = 635,991,223,465,690.50/21,889,327.20
  6. Step 6: Final answer
    x = 29,054,854.80

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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.