Finding the Fourth Proportional to 7,487,998.80, 11,231,998.20 and 6,044,773.20
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Solution
The fourth proportional to 7,487,998.80, 11,231,998.20 and 6,044,773.20 is: 9,067,159.80
Step by Step Solution
- Step 1: Write the proportion equation
7,487,998.80 : 11,231,998.20 = 6,044,773.20 : x - Step 2: Convert to fraction form
7,487,998.80/11,231,998.20 = 6,044,773.20/x - Step 3: Cross multiply
7,487,998.80x = 11,231,998.20 × 6,044,773.20 - Step 4: Simplify right side
7,487,998.80x = 67,894,881,701,808.23 - Step 5: Solve for x
x = 67,894,881,701,808.23/7,487,998.80 - Step 6: Final answer
x = 9,067,159.80
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1.5x scale
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.