Finding the Fourth Proportional to 7,763,690.72, 11,646,624.96 and 2,713,852.64
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Solution
The fourth proportional to 7,763,690.72, 11,646,624.96 and 2,713,852.64 is: 4,071,159.59
Step by Step Solution
- Step 1: Write the proportion equation
7,763,690.72 : 11,646,624.96 = 2,713,852.64 : x - Step 2: Convert to fraction form
7,763,690.72/11,646,624.96 = 2,713,852.64/x - Step 3: Cross multiply
7,763,690.72x = 11,646,624.96 × 2,713,852.64 - Step 4: Simplify right side
7,763,690.72x = 31,607,223,894,785.90 - Step 5: Solve for x
x = 31,607,223,894,785.90/7,763,690.72 - Step 6: Final answer
x = 4,071,159.59
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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.