Finding the Fourth Proportional to 10,845,963.36, 14,968,756.80 and 6,262,277.04
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Solution
The fourth proportional to 10,845,963.36, 14,968,756.80 and 6,262,277.04 is: 8,642,708.71
Step by Step Solution
- Step 1: Write the proportion equation
10,845,963.36 : 14,968,756.80 = 6,262,277.04 : x - Step 2: Convert to fraction form
10,845,963.36/14,968,756.80 = 6,262,277.04/x - Step 3: Cross multiply
10,845,963.36x = 14,968,756.80 × 6,262,277.04 - Step 4: Simplify right side
10,845,963.36x = 93,738,502,025,983.88 - Step 5: Solve for x
x = 93,738,502,025,983.88/10,845,963.36 - Step 6: Final answer
x = 8,642,708.71
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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.