Finding the Fourth Proportional to 19,368,315.70, 29,040,031.95 and 8,013,282.10
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Solution
The fourth proportional to 19,368,315.70, 29,040,031.95 and 8,013,282.10 is: 12,014,775.67
Step by Step Solution
- Step 1: Write the proportion equation
19,368,315.70 : 29,040,031.95 = 8,013,282.10 : x - Step 2: Convert to fraction form
19,368,315.70/29,040,031.95 = 8,013,282.10/x - Step 3: Cross multiply
19,368,315.70x = 29,040,031.95 × 8,013,282.10 - Step 4: Simplify right side
19,368,315.70x = 232,705,968,208,363.09 - Step 5: Solve for x
x = 232,705,968,208,363.09/19,368,315.70 - Step 6: Final answer
x = 12,014,775.67
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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.