Finding the Fourth Proportional to 19,937,131.26, 29,905,693.47 and 4,791,062.94
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Solution
The fourth proportional to 19,937,131.26, 29,905,693.47 and 4,791,062.94 is: 7,186,593.59
Step by Step Solution
- Step 1: Write the proportion equation
19,937,131.26 : 29,905,693.47 = 4,791,062.94 : x - Step 2: Convert to fraction form
19,937,131.26/29,905,693.47 = 4,791,062.94/x - Step 3: Cross multiply
19,937,131.26x = 29,905,693.47 × 4,791,062.94 - Step 4: Simplify right side
19,937,131.26x = 143,280,059,679,117 - Step 5: Solve for x
x = 143,280,059,679,117/19,937,131.26 - Step 6: Final answer
x = 7,186,593.59
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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.