Finding the Fourth Proportional to 18,897,908.18, 26,065,188.54 and 14,251,888.76
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Solution
The fourth proportional to 18,897,908.18, 26,065,188.54 and 14,251,888.76 is: 19,657,105.12
Step by Step Solution
- Step 1: Write the proportion equation
18,897,908.18 : 26,065,188.54 = 14,251,888.76 : x - Step 2: Convert to fraction form
18,897,908.18/26,065,188.54 = 14,251,888.76/x - Step 3: Cross multiply
18,897,908.18x = 26,065,188.54 × 14,251,888.76 - Step 4: Simplify right side
18,897,908.18x = 371,478,167,580,506.81 - Step 5: Solve for x
x = 371,478,167,580,506.81/18,897,908.18 - Step 6: Final answer
x = 19,657,105.12
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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.