Home / 29,316,990.76-40,440,638.44-18,284,586.89

Finding the Fourth Proportional to 29,316,990.76, 40,440,638.44 and 18,284,586.89

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Solution

The fourth proportional to 29,316,990.76, 40,440,638.44 and 18,284,586.89 is: 25,222,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,316,990.76 : 40,440,638.44 = 18,284,586.89 : x
  2. Step 2: Convert to fraction form
    29,316,990.76/40,440,638.44 = 18,284,586.89/x
  3. Step 3: Cross multiply
    29,316,990.76x = 40,440,638.44 × 18,284,586.89
  4. Step 4: Simplify right side
    29,316,990.76x = 739,440,367,397,542.62
  5. Step 5: Solve for x
    x = 739,440,367,397,542.62/29,316,990.76
  6. Step 6: Final answer
    x = 25,222,246.49

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Double scale
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1.5x scale

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.