Finding the Fourth Proportional to 39,297,753.84, 54,194,115.56 and 31,057,501.76
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Solution
The fourth proportional to 39,297,753.84, 54,194,115.56 and 31,057,501.76 is: 42,830,280.99
Step by Step Solution
- Step 1: Write the proportion equation
39,297,753.84 : 54,194,115.56 = 31,057,501.76 : x - Step 2: Convert to fraction form
39,297,753.84/54,194,115.56 = 31,057,501.76/x - Step 3: Cross multiply
39,297,753.84x = 54,194,115.56 × 31,057,501.76 - Step 4: Simplify right side
39,297,753.84x = 1,683,133,839,386,343.50 - Step 5: Solve for x
x = 1,683,133,839,386,343.50/39,297,753.84 - Step 6: Final answer
x = 42,830,280.99
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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.