Finding the Fourth Proportional to 28,348,474.42, 42,528,913.19 and 9,181,169.02
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Solution
The fourth proportional to 28,348,474.42, 42,528,913.19 and 9,181,169.02 is: 13,773,762.02
Step by Step Solution
- Step 1: Write the proportion equation
28,348,474.42 : 42,528,913.19 = 9,181,169.02 : x - Step 2: Convert to fraction form
28,348,474.42/42,528,913.19 = 9,181,169.02/x - Step 3: Cross multiply
28,348,474.42x = 42,528,913.19 × 9,181,169.02 - Step 4: Simplify right side
28,348,474.42x = 390,465,140,234,297.31 - Step 5: Solve for x
x = 390,465,140,234,297.31/28,348,474.42 - Step 6: Final answer
x = 13,773,762.02
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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.