Finding the Fourth Proportional to 19,388,851.70, 29,083,277.55 and 16,402,867.70
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Solution
The fourth proportional to 19,388,851.70, 29,083,277.55 and 16,402,867.70 is: 24,604,301.55
Step by Step Solution
- Step 1: Write the proportion equation
19,388,851.70 : 29,083,277.55 = 16,402,867.70 : x - Step 2: Convert to fraction form
19,388,851.70/29,083,277.55 = 16,402,867.70/x - Step 3: Cross multiply
19,388,851.70x = 29,083,277.55 × 16,402,867.70 - Step 4: Simplify right side
19,388,851.70x = 477,049,153,935,030.12 - Step 5: Solve for x
x = 477,049,153,935,030.12/19,388,851.70 - Step 6: Final answer
x = 24,604,301.55
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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.