Finding the Fourth Proportional to 18,951,368.58, 26,152,888.64 and 10,249,541.19
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Solution
The fourth proportional to 18,951,368.58, 26,152,888.64 and 10,249,541.19 is: 14,144,366.84
Step by Step Solution
- Step 1: Write the proportion equation
18,951,368.58 : 26,152,888.64 = 10,249,541.19 : x - Step 2: Convert to fraction form
18,951,368.58/26,152,888.64 = 10,249,541.19/x - Step 3: Cross multiply
18,951,368.58x = 26,152,888.64 × 10,249,541.19 - Step 4: Simplify right side
18,951,368.58x = 268,055,109,301,915.38 - Step 5: Solve for x
x = 268,055,109,301,915.38/18,951,368.58 - Step 6: Final answer
x = 14,144,366.84
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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.