Finding the Fourth Proportional to 7,587,108.12, 11,388,683.10 and 7,415,767.80
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Solution
The fourth proportional to 7,587,108.12, 11,388,683.10 and 7,415,767.80 is: 11,131,491.48
Step by Step Solution
- Step 1: Write the proportion equation
7,587,108.12 : 11,388,683.10 = 7,415,767.80 : x - Step 2: Convert to fraction form
7,587,108.12/11,388,683.10 = 7,415,767.80/x - Step 3: Cross multiply
7,587,108.12x = 11,388,683.10 × 7,415,767.80 - Step 4: Simplify right side
7,587,108.12x = 84,455,829,417,384.17 - Step 5: Solve for x
x = 84,455,829,417,384.17/7,587,108.12 - Step 6: Final answer
x = 11,131,491.48
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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.