Finding the Fourth Proportional to 19,133,294.72, 26,403,928.12 and 10,431,465.02
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Solution
The fourth proportional to 19,133,294.72, 26,403,928.12 and 10,431,465.02 is: 14,395,411.59
Step by Step Solution
- Step 1: Write the proportion equation
19,133,294.72 : 26,403,928.12 = 10,431,465.02 : x - Step 2: Convert to fraction form
19,133,294.72/26,403,928.12 = 10,431,465.02/x - Step 3: Cross multiply
19,133,294.72x = 26,403,928.12 × 10,431,465.02 - Step 4: Simplify right side
19,133,294.72x = 275,431,652,554,408.81 - Step 5: Solve for x
x = 275,431,652,554,408.81/19,133,294.72 - Step 6: Final answer
x = 14,395,411.59
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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.