Home / 38,839,861.96-53,598,746.19-21,436,207.24

Finding the Fourth Proportional to 38,839,861.96, 53,598,746.19 and 21,436,207.24

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Solution

The fourth proportional to 38,839,861.96, 53,598,746.19 and 21,436,207.24 is: 29,581,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839,861.96 : 53,598,746.19 = 21,436,207.24 : x
  2. Step 2: Convert to fraction form
    38,839,861.96/53,598,746.19 = 21,436,207.24/x
  3. Step 3: Cross multiply
    38,839,861.96x = 53,598,746.19 × 21,436,207.24
  4. Step 4: Simplify right side
    38,839,861.96x = 1,148,953,831,133,000.25
  5. Step 5: Solve for x
    x = 1,148,953,831,133,000.25/38,839,861.96
  6. Step 6: Final answer
    x = 29,581,820.66

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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.