Finding the Fourth Proportional to 19,366,830.80, 29,050,246.20 and 5,903,637.20
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Solution
The fourth proportional to 19,366,830.80, 29,050,246.20 and 5,903,637.20 is: 8,855,455.80
Step by Step Solution
- Step 1: Write the proportion equation
19,366,830.80 : 29,050,246.20 = 5,903,637.20 : x - Step 2: Convert to fraction form
19,366,830.80/29,050,246.20 = 5,903,637.20/x - Step 3: Cross multiply
19,366,830.80x = 29,050,246.20 × 5,903,637.20 - Step 4: Simplify right side
19,366,830.80x = 171,502,114,135,478.66 - Step 5: Solve for x
x = 171,502,114,135,478.66/19,366,830.80 - Step 6: Final answer
x = 8,855,455.80
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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.