Home / 14,085,991.90-21,128,987.85-10,893,409.30

Finding the Fourth Proportional to 14,085,991.90, 21,128,987.85 and 10,893,409.30

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Solution

The fourth proportional to 14,085,991.90, 21,128,987.85 and 10,893,409.30 is: 16,340,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085,991.90 : 21,128,987.85 = 10,893,409.30 : x
  2. Step 2: Convert to fraction form
    14,085,991.90/21,128,987.85 = 10,893,409.30/x
  3. Step 3: Cross multiply
    14,085,991.90x = 21,128,987.85 × 10,893,409.30
  4. Step 4: Simplify right side
    14,085,991.90x = 230,166,712,744,777.03
  5. Step 5: Solve for x
    x = 230,166,712,744,777.03/14,085,991.90
  6. Step 6: Final answer
    x = 16,340,113.95

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Similar ratio
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1.5x scale

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.