Finding the Fourth Proportional to 13,958,363.98, 19,257,258.48 and 8,657,607.02
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Solution
The fourth proportional to 13,958,363.98, 19,257,258.48 and 8,657,607.02 is: 11,944,220.43
Step by Step Solution
- Step 1: Write the proportion equation
13,958,363.98 : 19,257,258.48 = 8,657,607.02 : x - Step 2: Convert to fraction form
13,958,363.98/19,257,258.48 = 8,657,607.02/x - Step 3: Cross multiply
13,958,363.98x = 19,257,258.48 × 8,657,607.02 - Step 4: Simplify right side
13,958,363.98x = 166,721,776,202,402.53 - Step 5: Solve for x
x = 166,721,776,202,402.53/13,958,363.98 - Step 6: Final answer
x = 11,944,220.43
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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.