Finding the Fourth Proportional to 15,350,518.17, 21,185,572.65 and 8,736,714.68
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Solution
The fourth proportional to 15,350,518.17, 21,185,572.65 and 8,736,714.68 is: 12,057,723.49
Step by Step Solution
- Step 1: Write the proportion equation
15,350,518.17 : 21,185,572.65 = 8,736,714.68 : x - Step 2: Convert to fraction form
15,350,518.17/21,185,572.65 = 8,736,714.68/x - Step 3: Cross multiply
15,350,518.17x = 21,185,572.65 × 8,736,714.68 - Step 4: Simplify right side
15,350,518.17x = 185,092,303,531,777.91 - Step 5: Solve for x
x = 185,092,303,531,777.91/15,350,518.17 - Step 6: Final answer
x = 12,057,723.49
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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.