Home / 21,821,328.40-32,751,821.40-11,046,125.20

Finding the Fourth Proportional to 21,821,328.40, 32,751,821.40 and 11,046,125.20

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Solution

The fourth proportional to 21,821,328.40, 32,751,821.40 and 11,046,125.20 is: 16,579,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,821,328.40 : 32,751,821.40 = 11,046,125.20 : x
  2. Step 2: Convert to fraction form
    21,821,328.40/32,751,821.40 = 11,046,125.20/x
  3. Step 3: Cross multiply
    21,821,328.40x = 32,751,821.40 × 11,046,125.20
  4. Step 4: Simplify right side
    21,821,328.40x = 361,780,719,712,439.25
  5. Step 5: Solve for x
    x = 361,780,719,712,439.25/21,821,328.40
  6. Step 6: Final answer
    x = 16,579,225.29

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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.