Finding the Fourth Proportional to 8,357,157.84, 12,539,279.68 and 4,566,212.04
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Solution
The fourth proportional to 8,357,157.84, 12,539,279.68 and 4,566,212.04 is: 6,851,253.85
Step by Step Solution
- Step 1: Write the proportion equation
8,357,157.84 : 12,539,279.68 = 4,566,212.04 : x - Step 2: Convert to fraction form
8,357,157.84/12,539,279.68 = 4,566,212.04/x - Step 3: Cross multiply
8,357,157.84x = 12,539,279.68 × 4,566,212.04 - Step 4: Simplify right side
8,357,157.84x = 57,257,009,847,743.34 - Step 5: Solve for x
x = 57,257,009,847,743.34/8,357,157.84 - Step 6: Final answer
x = 6,851,253.85
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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.