Finding the Fourth Proportional to 42,703,906.98, 64,055,839.97 and 10,355,804.09
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Solution
The fourth proportional to 42,703,906.98, 64,055,839.97 and 10,355,804.09 is: 15,533,701.16
Step by Step Solution
- Step 1: Write the proportion equation
42,703,906.98 : 64,055,839.97 = 10,355,804.09 : x - Step 2: Convert to fraction form
42,703,906.98/64,055,839.97 = 10,355,804.09/x - Step 3: Cross multiply
42,703,906.98x = 64,055,839.97 × 10,355,804.09 - Step 4: Simplify right side
42,703,906.98x = 663,349,729,495,531.12 - Step 5: Solve for x
x = 663,349,729,495,531.12/42,703,906.98 - Step 6: Final answer
x = 15,533,701.16
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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.