Finding the Fourth Proportional to 29,421,257.04, 40,584,427.74 and 18,388,860.20
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Solution
The fourth proportional to 29,421,257.04, 40,584,427.74 and 18,388,860.20 is: 25,366,059.89
Step by Step Solution
- Step 1: Write the proportion equation
29,421,257.04 : 40,584,427.74 = 18,388,860.20 : x - Step 2: Convert to fraction form
29,421,257.04/40,584,427.74 = 18,388,860.20/x - Step 3: Cross multiply
29,421,257.04x = 40,584,427.74 × 18,388,860.20 - Step 4: Simplify right side
29,421,257.04x = 746,301,368,007,862 - Step 5: Solve for x
x = 746,301,368,007,862/29,421,257.04 - Step 6: Final answer
x = 25,366,059.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.