Home / 15,765,047.21-23,636,221.61-9,687,221.73

Finding the Fourth Proportional to 15,765,047.21, 23,636,221.61 and 9,687,221.73

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Solution

The fourth proportional to 15,765,047.21, 23,636,221.61 and 9,687,221.73 is: 14,523,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765,047.21 : 23,636,221.61 = 9,687,221.73 : x
  2. Step 2: Convert to fraction form
    15,765,047.21/23,636,221.61 = 9,687,221.73/x
  3. Step 3: Cross multiply
    15,765,047.21x = 23,636,221.61 × 9,687,221.73
  4. Step 4: Simplify right side
    15,765,047.21x = 228,969,319,547,051.50
  5. Step 5: Solve for x
    x = 228,969,319,547,051.50/15,765,047.21
  6. Step 6: Final answer
    x = 14,523,858.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.