Home / 21,779,331.30-32,669,898.48-6,426,621

Finding the Fourth Proportional to 21,779,331.30, 32,669,898.48 and 6,426,621

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Solution

The fourth proportional to 21,779,331.30, 32,669,898.48 and 6,426,621 is: 9,640,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779,331.30 : 32,669,898.48 = 6,426,621 : x
  2. Step 2: Convert to fraction form
    21,779,331.30/32,669,898.48 = 6,426,621/x
  3. Step 3: Cross multiply
    21,779,331.30x = 32,669,898.48 × 6,426,621
  4. Step 4: Simplify right side
    21,779,331.30x = 209,957,055,639,436.09
  5. Step 5: Solve for x
    x = 209,957,055,639,436.09/21,779,331.30
  6. Step 6: Final answer
    x = 9,640,197.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.