Finding the Fourth Proportional to 34,353,109.78, 47,407,012.05 and 18,883,029.94
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Solution
The fourth proportional to 34,353,109.78, 47,407,012.05 and 18,883,029.94 is: 26,058,427.71
Step by Step Solution
- Step 1: Write the proportion equation
34,353,109.78 : 47,407,012.05 = 18,883,029.94 : x - Step 2: Convert to fraction form
34,353,109.78/47,407,012.05 = 18,883,029.94/x - Step 3: Cross multiply
34,353,109.78x = 47,407,012.05 × 18,883,029.94 - Step 4: Simplify right side
34,353,109.78x = 895,188,027,906,090.75 - Step 5: Solve for x
x = 895,188,027,906,090.75/34,353,109.78 - Step 6: Final answer
x = 26,058,427.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.