Finding the Fourth Proportional to 25,337,656.42, 38,009,473.99 and 18,988,265.08
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Solution
The fourth proportional to 25,337,656.42, 38,009,473.99 and 18,988,265.08 is: 28,484,637.86
Step by Step Solution
- Step 1: Write the proportion equation
25,337,656.42 : 38,009,473.99 = 18,988,265.08 : x - Step 2: Convert to fraction form
25,337,656.42/38,009,473.99 = 18,988,265.08/x - Step 3: Cross multiply
25,337,656.42x = 38,009,473.99 × 18,988,265.08 - Step 4: Simplify right side
25,337,656.42x = 721,733,967,513,137.12 - Step 5: Solve for x
x = 721,733,967,513,137.12/25,337,656.42 - Step 6: Final answer
x = 28,484,637.86
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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.