Finding the Fourth Proportional to 28,470,926.14, 42,706,233.66 and 6,905,486.14
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Solution
The fourth proportional to 28,470,926.14, 42,706,233.66 and 6,905,486.14 is: 10,358,191.48
Step by Step Solution
- Step 1: Write the proportion equation
28,470,926.14 : 42,706,233.66 = 6,905,486.14 : x - Step 2: Convert to fraction form
28,470,926.14/42,706,233.66 = 6,905,486.14/x - Step 3: Cross multiply
28,470,926.14x = 42,706,233.66 × 6,905,486.14 - Step 4: Simplify right side
28,470,926.14x = 294,907,304,630,731.44 - Step 5: Solve for x
x = 294,907,304,630,731.44/28,470,926.14 - Step 6: Final answer
x = 10,358,191.48
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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.