Finding the Fourth Proportional to 38,312,277.80, 57,468,416.70 and 30,754,005.80
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Solution
The fourth proportional to 38,312,277.80, 57,468,416.70 and 30,754,005.80 is: 46,131,008.70
Step by Step Solution
- Step 1: Write the proportion equation
38,312,277.80 : 57,468,416.70 = 30,754,005.80 : x - Step 2: Convert to fraction form
38,312,277.80/57,468,416.70 = 30,754,005.80/x - Step 3: Cross multiply
38,312,277.80x = 57,468,416.70 × 30,754,005.80 - Step 4: Simplify right side
38,312,277.80x = 1,767,384,020,508,617 - Step 5: Solve for x
x = 1,767,384,020,508,617/38,312,277.80 - Step 6: Final answer
x = 46,131,008.70
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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.