Finding the Fourth Proportional to 19,230,637.20, 28,845,955.80 and 5,767,465.20
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Solution
The fourth proportional to 19,230,637.20, 28,845,955.80 and 5,767,465.20 is: 8,651,197.80
Step by Step Solution
- Step 1: Write the proportion equation
19,230,637.20 : 28,845,955.80 = 5,767,465.20 : x - Step 2: Convert to fraction form
19,230,637.20/28,845,955.80 = 5,767,465.20/x - Step 3: Cross multiply
19,230,637.20x = 28,845,955.80 × 5,767,465.20 - Step 4: Simplify right side
19,230,637.20x = 166,368,046,237,238.16 - Step 5: Solve for x
x = 166,368,046,237,238.16/19,230,637.20 - Step 6: Final answer
x = 8,651,197.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.