Finding the Fourth Proportional to 7,451,416.36, 11,169,167.10 and 4,249,648.36
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Solution
The fourth proportional to 7,451,416.36, 11,169,167.10 and 4,249,648.36 is: 6,369,934.30
Step by Step Solution
- Step 1: Write the proportion equation
7,451,416.36 : 11,169,167.10 = 4,249,648.36 : x - Step 2: Convert to fraction form
7,451,416.36/11,169,167.10 = 4,249,648.36/x - Step 3: Cross multiply
7,451,416.36x = 11,169,167.10 × 4,249,648.36 - Step 4: Simplify right side
7,451,416.36x = 47,465,032,649,080.96 - Step 5: Solve for x
x = 47,465,032,649,080.96/7,451,416.36 - Step 6: Final answer
x = 6,369,934.30
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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.