Finding the Fourth Proportional to 14,276,740.08, 19,699,823.16 and 8,163,987.60
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Solution
The fourth proportional to 14,276,740.08, 19,699,823.16 and 8,163,987.60 is: 11,265,114.52
Step by Step Solution
- Step 1: Write the proportion equation
14,276,740.08 : 19,699,823.16 = 8,163,987.60 : x - Step 2: Convert to fraction form
14,276,740.08/19,699,823.16 = 8,163,987.60/x - Step 3: Cross multiply
14,276,740.08x = 19,699,823.16 × 8,163,987.60 - Step 4: Simplify right side
14,276,740.08x = 160,829,112,000,432.81 - Step 5: Solve for x
x = 160,829,112,000,432.81/14,276,740.08 - Step 6: Final answer
x = 11,265,114.52
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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.