Finding the Fourth Proportional to 55,979,214.58, 84,006,655.90 and 19,587,920.22
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Solution
The fourth proportional to 55,979,214.58, 84,006,655.90 and 19,587,920.22 is: 29,395,118.99
Step by Step Solution
- Step 1: Write the proportion equation
55,979,214.58 : 84,006,655.90 = 19,587,920.22 : x - Step 2: Convert to fraction form
55,979,214.58/84,006,655.90 = 19,587,920.22/x - Step 3: Cross multiply
55,979,214.58x = 84,006,655.90 × 19,587,920.22 - Step 4: Simplify right side
55,979,214.58x = 1,645,515,673,718,192.25 - Step 5: Solve for x
x = 1,645,515,673,718,192.25/55,979,214.58 - Step 6: Final answer
x = 29,395,118.99
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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.