Home / 21,818,064-32,731,820.16-8,354,892.48

Finding the Fourth Proportional to 21,818,064, 32,731,820.16 and 8,354,892.48

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Solution

The fourth proportional to 21,818,064, 32,731,820.16 and 8,354,892.48 is: 12,534,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818,064 : 32,731,820.16 = 8,354,892.48 : x
  2. Step 2: Convert to fraction form
    21,818,064/32,731,820.16 = 8,354,892.48/x
  3. Step 3: Cross multiply
    21,818,064x = 32,731,820.16 × 8,354,892.48
  4. Step 4: Simplify right side
    21,818,064x = 273,470,838,111,496.41
  5. Step 5: Solve for x
    x = 273,470,838,111,496.41/21,818,064
  6. Step 6: Final answer
    x = 12,534,147.76

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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.