Finding the Fourth Proportional to 8,929,765.82, 13,390,315.74 and 5,237,798.18
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Solution
The fourth proportional to 8,929,765.82, 13,390,315.74 and 5,237,798.18 is: 7,854,155.72
Step by Step Solution
- Step 1: Write the proportion equation
8,929,765.82 : 13,390,315.74 = 5,237,798.18 : x - Step 2: Convert to fraction form
8,929,765.82/13,390,315.74 = 5,237,798.18/x - Step 3: Cross multiply
8,929,765.82x = 13,390,315.74 × 5,237,798.18 - Step 4: Simplify right side
8,929,765.82x = 70,135,771,345,645.77 - Step 5: Solve for x
x = 70,135,771,345,645.77/8,929,765.82 - Step 6: Final answer
x = 7,854,155.72
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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.