Finding the Fourth Proportional to 48,171,471.90, 72,236,212.65 and 19,408,047.90
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Solution
The fourth proportional to 48,171,471.90, 72,236,212.65 and 19,408,047.90 is: 29,103,612.99
Step by Step Solution
- Step 1: Write the proportion equation
48,171,471.90 : 72,236,212.65 = 19,408,047.90 : x - Step 2: Convert to fraction form
48,171,471.90/72,236,212.65 = 19,408,047.90/x - Step 3: Cross multiply
48,171,471.90x = 72,236,212.65 × 19,408,047.90 - Step 4: Simplify right side
48,171,471.90x = 1,401,963,875,225,786 - Step 5: Solve for x
x = 1,401,963,875,225,786/48,171,471.90 - Step 6: Final answer
x = 29,103,612.99
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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.