Finding the Fourth Proportional to 19,918,234.80, 29,877,352.20 and 14,879,386.80
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Solution
The fourth proportional to 19,918,234.80, 29,877,352.20 and 14,879,386.80 is: 22,319,080.20
Step by Step Solution
- Step 1: Write the proportion equation
19,918,234.80 : 29,877,352.20 = 14,879,386.80 : x - Step 2: Convert to fraction form
19,918,234.80/29,877,352.20 = 14,879,386.80/x - Step 3: Cross multiply
19,918,234.80x = 29,877,352.20 × 14,879,386.80 - Step 4: Simplify right side
19,918,234.80x = 444,556,679,943,631 - Step 5: Solve for x
x = 444,556,679,943,631/19,918,234.80 - Step 6: Final answer
x = 22,319,080.20
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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.