Finding the Fourth Proportional to 7,711,839.90, 11,565,428.27 and 2,319,058.76
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Solution
The fourth proportional to 7,711,839.90, 11,565,428.27 and 2,319,058.76 is: 3,477,886.99
Step by Step Solution
- Step 1: Write the proportion equation
7,711,839.90 : 11,565,428.27 = 2,319,058.76 : x - Step 2: Convert to fraction form
7,711,839.90/11,565,428.27 = 2,319,058.76/x - Step 3: Cross multiply
7,711,839.90x = 11,565,428.27 × 2,319,058.76 - Step 4: Simplify right side
7,711,839.90x = 26,820,907,673,272.71 - Step 5: Solve for x
x = 26,820,907,673,272.71/7,711,839.90 - Step 6: Final answer
x = 3,477,886.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.