Finding the Fourth Proportional to 7,848,203.30, 10,830,646.51 and 4,316,139.53
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Solution
The fourth proportional to 7,848,203.30, 10,830,646.51 and 4,316,139.53 is: 5,956,341.82
Step by Step Solution
- Step 1: Write the proportion equation
7,848,203.30 : 10,830,646.51 = 4,316,139.53 : x - Step 2: Convert to fraction form
7,848,203.30/10,830,646.51 = 4,316,139.53/x - Step 3: Cross multiply
7,848,203.30x = 10,830,646.51 × 4,316,139.53 - Step 4: Simplify right side
7,848,203.30x = 46,746,581,553,553.80 - Step 5: Solve for x
x = 46,746,581,553,553.80/7,848,203.30 - Step 6: Final answer
x = 5,956,341.82
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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.