Home / 21,358,262.34-32,027,814.36-12,726,430.38

Finding the Fourth Proportional to 21,358,262.34, 32,027,814.36 and 12,726,430.38

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Solution

The fourth proportional to 21,358,262.34, 32,027,814.36 and 12,726,430.38 is: 19,083,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358,262.34 : 32,027,814.36 = 12,726,430.38 : x
  2. Step 2: Convert to fraction form
    21,358,262.34/32,027,814.36 = 12,726,430.38/x
  3. Step 3: Cross multiply
    21,358,262.34x = 32,027,814.36 × 12,726,430.38
  4. Step 4: Simplify right side
    21,358,262.34x = 407,599,749,676,104.25
  5. Step 5: Solve for x
    x = 407,599,749,676,104.25/21,358,262.34
  6. Step 6: Final answer
    x = 19,083,937.78

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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.