Finding the Fourth Proportional to 19,442,205.60, 29,142,939.21 and 9,058,862.99
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Solution
The fourth proportional to 19,442,205.60, 29,142,939.21 and 9,058,862.99 is: 13,578,803.70
Step by Step Solution
- Step 1: Write the proportion equation
19,442,205.60 : 29,142,939.21 = 9,058,862.99 : x - Step 2: Convert to fraction form
19,442,205.60/29,142,939.21 = 9,058,862.99/x - Step 3: Cross multiply
19,442,205.60x = 29,142,939.21 × 9,058,862.99 - Step 4: Simplify right side
19,442,205.60x = 264,001,893,283,574.12 - Step 5: Solve for x
x = 264,001,893,283,574.12/19,442,205.60 - Step 6: Final answer
x = 13,578,803.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.