Home / 15,773,902.76-21,768,051.50-8,530,558.76

Finding the Fourth Proportional to 15,773,902.76, 21,768,051.50 and 8,530,558.76

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Solution

The fourth proportional to 15,773,902.76, 21,768,051.50 and 8,530,558.76 is: 11,772,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773,902.76 : 21,768,051.50 = 8,530,558.76 : x
  2. Step 2: Convert to fraction form
    15,773,902.76/21,768,051.50 = 8,530,558.76/x
  3. Step 3: Cross multiply
    15,773,902.76x = 21,768,051.50 × 8,530,558.76
  4. Step 4: Simplify right side
    15,773,902.76x = 185,693,642,411,456.12
  5. Step 5: Solve for x
    x = 185,693,642,411,456.12/15,773,902.76
  6. Step 6: Final answer
    x = 11,772,206.61

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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.