Finding the Fourth Proportional to 19,163,112.86, 28,749,200.08 and 6,209,242.14
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Solution
The fourth proportional to 19,163,112.86, 28,749,200.08 and 6,209,242.14 is: 9,315,331.28
Step by Step Solution
- Step 1: Write the proportion equation
19,163,112.86 : 28,749,200.08 = 6,209,242.14 : x - Step 2: Convert to fraction form
19,163,112.86/28,749,200.08 = 6,209,242.14/x - Step 3: Cross multiply
19,163,112.86x = 28,749,200.08 × 6,209,242.14 - Step 4: Simplify right side
19,163,112.86x = 178,510,744,628,027.34 - Step 5: Solve for x
x = 178,510,744,628,027.34/19,163,112.86 - Step 6: Final answer
x = 9,315,331.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.