Finding the Fourth Proportional to 7,225,848.14, 9,970,753.94 and 3,961,803.95
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Solution
The fourth proportional to 7,225,848.14, 9,970,753.94 and 3,961,803.95 is: 5,466,786.95
Step by Step Solution
- Step 1: Write the proportion equation
7,225,848.14 : 9,970,753.94 = 3,961,803.95 : x - Step 2: Convert to fraction form
7,225,848.14/9,970,753.94 = 3,961,803.95/x - Step 3: Cross multiply
7,225,848.14x = 9,970,753.94 × 3,961,803.95 - Step 4: Simplify right side
7,225,848.14x = 39,502,172,348,839.52 - Step 5: Solve for x
x = 39,502,172,348,839.52/7,225,848.14 - Step 6: Final answer
x = 5,466,786.95
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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.