Finding the Fourth Proportional to 9,314,639.91, 12,854,203.74 and 5,184,582.21
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Solution
The fourth proportional to 9,314,639.91, 12,854,203.74 and 5,184,582.21 is: 7,154,723.82
Step by Step Solution
- Step 1: Write the proportion equation
9,314,639.91 : 12,854,203.74 = 5,184,582.21 : x - Step 2: Convert to fraction form
9,314,639.91/12,854,203.74 = 5,184,582.21/x - Step 3: Cross multiply
9,314,639.91x = 12,854,203.74 × 5,184,582.21 - Step 4: Simplify right side
9,314,639.91x = 66,643,676,034,119.47 - Step 5: Solve for x
x = 66,643,676,034,119.47/9,314,639.91 - Step 6: Final answer
x = 7,154,723.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.