Finding the Fourth Proportional to 7,773,448.37, 10,730,798.44 and 5,021,477.41
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Solution
The fourth proportional to 7,773,448.37, 10,730,798.44 and 5,021,477.41 is: 6,931,860.80
Step by Step Solution
- Step 1: Write the proportion equation
7,773,448.37 : 10,730,798.44 = 5,021,477.41 : x - Step 2: Convert to fraction form
7,773,448.37/10,730,798.44 = 5,021,477.41/x - Step 3: Cross multiply
7,773,448.37x = 10,730,798.44 × 5,021,477.41 - Step 4: Simplify right side
7,773,448.37x = 53,884,461,981,799.33 - Step 5: Solve for x
x = 53,884,461,981,799.33/7,773,448.37 - Step 6: Final answer
x = 6,931,860.80
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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.