Finding the Fourth Proportional to 38,903,025.48, 58,394,024.10 and 19,486,165.56
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Solution
The fourth proportional to 38,903,025.48, 58,394,024.10 and 19,486,165.56 is: 29,249,026.45
Step by Step Solution
- Step 1: Write the proportion equation
38,903,025.48 : 58,394,024.10 = 19,486,165.56 : x - Step 2: Convert to fraction form
38,903,025.48/58,394,024.10 = 19,486,165.56/x - Step 3: Cross multiply
38,903,025.48x = 58,394,024.10 × 19,486,165.56 - Step 4: Simplify right side
38,903,025.48x = 1,137,875,621,327,230 - Step 5: Solve for x
x = 1,137,875,621,327,230/38,903,025.48 - Step 6: Final answer
x = 29,249,026.45
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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.