Home / 15,773,885.20-21,768,027.18-8,530,541.20

Finding the Fourth Proportional to 15,773,885.20, 21,768,027.18 and 8,530,541.20

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Solution

The fourth proportional to 15,773,885.20, 21,768,027.18 and 8,530,541.20 is: 11,772,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773,885.20 : 21,768,027.18 = 8,530,541.20 : x
  2. Step 2: Convert to fraction form
    15,773,885.20/21,768,027.18 = 8,530,541.20/x
  3. Step 3: Cross multiply
    15,773,885.20x = 21,768,027.18 × 8,530,541.20
  4. Step 4: Simplify right side
    15,773,885.20x = 185,693,052,701,709.81
  5. Step 5: Solve for x
    x = 185,693,052,701,709.81/15,773,885.20
  6. Step 6: Final answer
    x = 11,772,182.33

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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.