Finding the Fourth Proportional to 19,729,557.60, 29,580,339.60 and 8,952,021.60
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Solution
The fourth proportional to 19,729,557.60, 29,580,339.60 and 8,952,021.60 is: 13,421,681.54
Step by Step Solution
- Step 1: Write the proportion equation
19,729,557.60 : 29,580,339.60 = 8,952,021.60 : x - Step 2: Convert to fraction form
19,729,557.60/29,580,339.60 = 8,952,021.60/x - Step 3: Cross multiply
19,729,557.60x = 29,580,339.60 × 8,952,021.60 - Step 4: Simplify right side
19,729,557.60x = 264,803,839,034,535.38 - Step 5: Solve for x
x = 264,803,839,034,535.38/19,729,557.60 - Step 6: Final answer
x = 13,421,681.54
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1.5x scale
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.