Finding the Fourth Proportional to 18,007,931.48, 26,995,345.55 and 6,490,580.02
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Solution
The fourth proportional to 18,007,931.48, 26,995,345.55 and 6,490,580.02 is: 9,729,904.33
Step by Step Solution
- Step 1: Write the proportion equation
18,007,931.48 : 26,995,345.55 = 6,490,580.02 : x - Step 2: Convert to fraction form
18,007,931.48/26,995,345.55 = 6,490,580.02/x - Step 3: Cross multiply
18,007,931.48x = 26,995,345.55 × 6,490,580.02 - Step 4: Simplify right side
18,007,931.48x = 175,215,450,384,224.31 - Step 5: Solve for x
x = 175,215,450,384,224.31/18,007,931.48 - Step 6: Final answer
x = 9,729,904.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.