Finding the Fourth Proportional to 8,748,254.47, 13,128,238.67 and 3,630,688.63
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Solution
The fourth proportional to 8,748,254.47, 13,128,238.67 and 3,630,688.63 is: 5,448,463.69
Step by Step Solution
- Step 1: Write the proportion equation
8,748,254.47 : 13,128,238.67 = 3,630,688.63 : x - Step 2: Convert to fraction form
8,748,254.47/13,128,238.67 = 3,630,688.63/x - Step 3: Cross multiply
8,748,254.47x = 13,128,238.67 × 3,630,688.63 - Step 4: Simplify right side
8,748,254.47x = 47,664,546,852,941.88 - Step 5: Solve for x
x = 47,664,546,852,941.88/8,748,254.47 - Step 6: Final answer
x = 5,448,463.69
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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.