Home / 15,144,461.96-20,899,199.06-8,268,922.76

Finding the Fourth Proportional to 15,144,461.96, 20,899,199.06 and 8,268,922.76

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Solution

The fourth proportional to 15,144,461.96, 20,899,199.06 and 8,268,922.76 is: 11,411,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144,461.96 : 20,899,199.06 = 8,268,922.76 : x
  2. Step 2: Convert to fraction form
    15,144,461.96/20,899,199.06 = 8,268,922.76/x
  3. Step 3: Cross multiply
    15,144,461.96x = 20,899,199.06 × 8,268,922.76
  4. Step 4: Simplify right side
    15,144,461.96x = 172,813,862,773,004.59
  5. Step 5: Solve for x
    x = 172,813,862,773,004.59/15,144,461.96
  6. Step 6: Final answer
    x = 11,411,026.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.