Finding the Fourth Proportional to 14,239,871.48, 19,651,117.00 and 7,713,500.94
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Solution
The fourth proportional to 14,239,871.48, 19,651,117.00 and 7,713,500.94 is: 10,644,682.41
Step by Step Solution
- Step 1: Write the proportion equation
14,239,871.48 : 19,651,117.00 = 7,713,500.94 : x - Step 2: Convert to fraction form
14,239,871.48/19,651,117.00 = 7,713,500.94/x - Step 3: Cross multiply
14,239,871.48x = 19,651,117.00 × 7,713,500.94 - Step 4: Simplify right side
14,239,871.48x = 151,578,909,446,729.06 - Step 5: Solve for x
x = 151,578,909,446,729.06/14,239,871.48 - Step 6: Final answer
x = 10,644,682.41
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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.