Home / 38,523,911.60-53,162,985.22-21,119,883.15

Finding the Fourth Proportional to 38,523,911.60, 53,162,985.22 and 21,119,883.15

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Solution

The fourth proportional to 38,523,911.60, 53,162,985.22 and 21,119,883.15 is: 29,145,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523,911.60 : 53,162,985.22 = 21,119,883.15 : x
  2. Step 2: Convert to fraction form
    38,523,911.60/53,162,985.22 = 21,119,883.15/x
  3. Step 3: Cross multiply
    38,523,911.60x = 53,162,985.22 × 21,119,883.15
  4. Step 4: Simplify right side
    38,523,911.60x = 1,122,796,035,898,138.50
  5. Step 5: Solve for x
    x = 1,122,796,035,898,138.50/38,523,911.60
  6. Step 6: Final answer
    x = 29,145,431.74

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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.