Finding the Fourth Proportional to 13,069,762.44, 19,602,059.28 and 12,421,649.84
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Solution
The fourth proportional to 13,069,762.44, 19,602,059.28 and 12,421,649.84 is: 18,630,018.54
Step by Step Solution
- Step 1: Write the proportion equation
13,069,762.44 : 19,602,059.28 = 12,421,649.84 : x - Step 2: Convert to fraction form
13,069,762.44/19,602,059.28 = 12,421,649.84/x - Step 3: Cross multiply
13,069,762.44x = 19,602,059.28 × 12,421,649.84 - Step 4: Simplify right side
13,069,762.44x = 243,489,916,519,082.53 - Step 5: Solve for x
x = 243,489,916,519,082.53/13,069,762.44 - Step 6: Final answer
x = 18,630,018.54
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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.