Finding the Fourth Proportional to 14,370,173.33, 19,827,878.87 and 8,257,420.85
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Solution
The fourth proportional to 14,370,173.33, 19,827,878.87 and 8,257,420.85 is: 11,393,539.70
Step by Step Solution
- Step 1: Write the proportion equation
14,370,173.33 : 19,827,878.87 = 8,257,420.85 : x - Step 2: Convert to fraction form
14,370,173.33/19,827,878.87 = 8,257,420.85/x - Step 3: Cross multiply
14,370,173.33x = 19,827,878.87 × 8,257,420.85 - Step 4: Simplify right side
14,370,173.33x = 163,727,140,406,875.50 - Step 5: Solve for x
x = 163,727,140,406,875.50/14,370,173.33 - Step 6: Final answer
x = 11,393,539.70
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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.