Finding the Fourth Proportional to 14,399,292.23, 19,871,024.96 and 7,872,926.11
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Solution
The fourth proportional to 14,399,292.23, 19,871,024.96 and 7,872,926.11 is: 10,864,638.95
Step by Step Solution
- Step 1: Write the proportion equation
14,399,292.23 : 19,871,024.96 = 7,872,926.11 : x - Step 2: Convert to fraction form
14,399,292.23/19,871,024.96 = 7,872,926.11/x - Step 3: Cross multiply
14,399,292.23x = 19,871,024.96 × 7,872,926.11 - Step 4: Simplify right side
14,399,292.23x = 156,443,111,240,045.72 - Step 5: Solve for x
x = 156,443,111,240,045.72/14,399,292.23 - Step 6: Final answer
x = 10,864,638.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.