Finding the Fourth Proportional to 17,670,908.90, 26,506,363.35 and 9,986,665.70
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Solution
The fourth proportional to 17,670,908.90, 26,506,363.35 and 9,986,665.70 is: 14,979,998.55
Step by Step Solution
- Step 1: Write the proportion equation
17,670,908.90 : 26,506,363.35 = 9,986,665.70 : x - Step 2: Convert to fraction form
17,670,908.90/26,506,363.35 = 9,986,665.70/x - Step 3: Cross multiply
17,670,908.90x = 26,506,363.35 × 9,986,665.70 - Step 4: Simplify right side
17,670,908.90x = 264,710,189,699,182.09 - Step 5: Solve for x
x = 264,710,189,699,182.09/17,670,908.90 - Step 6: Final answer
x = 14,979,998.55
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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.