Finding the Fourth Proportional to 11,705,159.40, 16,153,000.94 and 6,478,177.74
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Solution
The fourth proportional to 11,705,159.40, 16,153,000.94 and 6,478,177.74 is: 8,939,819.40
Step by Step Solution
- Step 1: Write the proportion equation
11,705,159.40 : 16,153,000.94 = 6,478,177.74 : x - Step 2: Convert to fraction form
11,705,159.40/16,153,000.94 = 6,478,177.74/x - Step 3: Cross multiply
11,705,159.40x = 16,153,000.94 × 6,478,177.74 - Step 4: Simplify right side
11,705,159.40x = 104,642,011,091,316.19 - Step 5: Solve for x
x = 104,642,011,091,316.19/11,705,159.40 - Step 6: Final answer
x = 8,939,819.40
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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.