Finding the Fourth Proportional to 55,979,210.58, 84,006,649.91 and 19,587,916.21
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Solution
The fourth proportional to 55,979,210.58, 84,006,649.91 and 19,587,916.21 is: 29,395,112.98
Step by Step Solution
- Step 1: Write the proportion equation
55,979,210.58 : 84,006,649.91 = 19,587,916.21 : x - Step 2: Convert to fraction form
55,979,210.58/84,006,649.91 = 19,587,916.21/x - Step 3: Cross multiply
55,979,210.58x = 84,006,649.91 × 19,587,916.21 - Step 4: Simplify right side
55,979,210.58x = 1,645,515,219,739,841.75 - Step 5: Solve for x
x = 1,645,515,219,739,841.75/55,979,210.58 - Step 6: Final answer
x = 29,395,112.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.