Finding the Fourth Proportional to 19,899,596.16, 29,854,607.28 and 6,252,191.20
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Solution
The fourth proportional to 19,899,596.16, 29,854,607.28 and 6,252,191.20 is: 9,379,924.67
Step by Step Solution
- Step 1: Write the proportion equation
19,899,596.16 : 29,854,607.28 = 6,252,191.20 : x - Step 2: Convert to fraction form
19,899,596.16/29,854,607.28 = 6,252,191.20/x - Step 3: Cross multiply
19,899,596.16x = 29,854,607.28 × 6,252,191.20 - Step 4: Simplify right side
19,899,596.16x = 186,656,712,915,471.94 - Step 5: Solve for x
x = 186,656,712,915,471.94/19,899,596.16 - Step 6: Final answer
x = 9,379,924.67
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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.