Finding the Fourth Proportional to 30,484,610.36, 42,068,822.44 and 18,097,188.44
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Solution
The fourth proportional to 30,484,610.36, 42,068,822.44 and 18,097,188.44 is: 24,974,155.75
Step by Step Solution
- Step 1: Write the proportion equation
30,484,610.36 : 42,068,822.44 = 18,097,188.44 : x - Step 2: Convert to fraction form
30,484,610.36/42,068,822.44 = 18,097,188.44/x - Step 3: Cross multiply
30,484,610.36x = 42,068,822.44 × 18,097,188.44 - Step 4: Simplify right side
30,484,610.36x = 761,327,407,145,580.62 - Step 5: Solve for x
x = 761,327,407,145,580.62/30,484,610.36 - Step 6: Final answer
x = 24,974,155.75
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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.