Finding the Fourth Proportional to 31,817,619.99, 47,689,404.08 and 18,180,319.05
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Solution
The fourth proportional to 31,817,619.99, 47,689,404.08 and 18,180,319.05 is: 27,249,322.28
Step by Step Solution
- Step 1: Write the proportion equation
31,817,619.99 : 47,689,404.08 = 18,180,319.05 : x - Step 2: Convert to fraction form
31,817,619.99/47,689,404.08 = 18,180,319.05/x - Step 3: Cross multiply
31,817,619.99x = 47,689,404.08 × 18,180,319.05 - Step 4: Simplify right side
31,817,619.99x = 867,008,581,387,870.25 - Step 5: Solve for x
x = 867,008,581,387,870.25/31,817,619.99 - Step 6: Final answer
x = 27,249,322.28
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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.