Finding the Fourth Proportional to 19,319,992.18, 28,985,214.93 and 6,540,497.98
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Solution
The fourth proportional to 19,319,992.18, 28,985,214.93 and 6,540,497.98 is: 9,812,516.38
Step by Step Solution
- Step 1: Write the proportion equation
19,319,992.18 : 28,985,214.93 = 6,540,497.98 : x - Step 2: Convert to fraction form
19,319,992.18/28,985,214.93 = 6,540,497.98/x - Step 3: Cross multiply
19,319,992.18x = 28,985,214.93 × 6,540,497.98 - Step 4: Simplify right side
19,319,992.18x = 189,577,739,699,530.84 - Step 5: Solve for x
x = 189,577,739,699,530.84/19,319,992.18 - Step 6: Final answer
x = 9,812,516.38
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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.