Home / 38,738,826.30-53,461,997.01-21,335,167.11

Finding the Fourth Proportional to 38,738,826.30, 53,461,997.01 and 21,335,167.11

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Solution

The fourth proportional to 38,738,826.30, 53,461,997.01 and 21,335,167.11 is: 29,443,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,738,826.30 : 53,461,997.01 = 21,335,167.11 : x
  2. Step 2: Convert to fraction form
    38,738,826.30/53,461,997.01 = 21,335,167.11/x
  3. Step 3: Cross multiply
    38,738,826.30x = 53,461,997.01 × 21,335,167.11
  4. Step 4: Simplify right side
    38,738,826.30x = 1,140,620,640,242,670.25
  5. Step 5: Solve for x
    x = 1,140,620,640,242,670.25/38,738,826.30
  6. Step 6: Final answer
    x = 29,443,861.60

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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.