Finding the Fourth Proportional to 19,729,563.74, 29,386,302.90 and 18,844,341.02
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Solution
The fourth proportional to 19,729,563.74, 29,386,302.90 and 18,844,341.02 is: 28,067,803.24
Step by Step Solution
- Step 1: Write the proportion equation
19,729,563.74 : 29,386,302.90 = 18,844,341.02 : x - Step 2: Convert to fraction form
19,729,563.74/29,386,302.90 = 18,844,341.02/x - Step 3: Cross multiply
19,729,563.74x = 29,386,302.90 × 18,844,341.02 - Step 4: Simplify right side
19,729,563.74x = 553,765,513,163,215.25 - Step 5: Solve for x
x = 553,765,513,163,215.25/19,729,563.74 - Step 6: Final answer
x = 28,067,803.24
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.