Finding the Fourth Proportional to 42,087,342.91, 63,133,463.75 and 11,797,567.87
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Solution
The fourth proportional to 42,087,342.91, 63,133,463.75 and 11,797,567.87 is: 17,697,038.39
Step by Step Solution
- Step 1: Write the proportion equation
42,087,342.91 : 63,133,463.75 = 11,797,567.87 : x - Step 2: Convert to fraction form
42,087,342.91/63,133,463.75 = 11,797,567.87/x - Step 3: Cross multiply
42,087,342.91x = 63,133,463.75 × 11,797,567.87 - Step 4: Simplify right side
42,087,342.91x = 744,821,323,399,821.75 - Step 5: Solve for x
x = 744,821,323,399,821.75/42,087,342.91 - Step 6: Final answer
x = 17,697,038.39
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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.