Finding the Fourth Proportional to 42,130,737.54, 58,123,994.79 and 26,440,605.99
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Solution
The fourth proportional to 42,130,737.54, 58,123,994.79 and 26,440,605.99 is: 36,477,729.43
Step by Step Solution
- Step 1: Write the proportion equation
42,130,737.54 : 58,123,994.79 = 26,440,605.99 : x - Step 2: Convert to fraction form
42,130,737.54/58,123,994.79 = 26,440,605.99/x - Step 3: Cross multiply
42,130,737.54x = 58,123,994.79 × 26,440,605.99 - Step 4: Simplify right side
42,130,737.54x = 1,536,833,644,807,202.75 - Step 5: Solve for x
x = 1,536,833,644,807,202.75/42,130,737.54 - Step 6: Final answer
x = 36,477,729.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.