Finding the Fourth Proportional to 11,249,000.98, 16,879,644.25 and 4,771,068.70
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Solution
The fourth proportional to 11,249,000.98, 16,879,644.25 and 4,771,068.70 is: 7,159,208.40
Step by Step Solution
- Step 1: Write the proportion equation
11,249,000.98 : 16,879,644.25 = 4,771,068.70 : x - Step 2: Convert to fraction form
11,249,000.98/16,879,644.25 = 4,771,068.70/x - Step 3: Cross multiply
11,249,000.98x = 16,879,644.25 × 4,771,068.70 - Step 4: Simplify right side
11,249,000.98x = 80,533,942,348,309.98 - Step 5: Solve for x
x = 80,533,942,348,309.98/11,249,000.98 - Step 6: Final answer
x = 7,159,208.40
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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.