Finding the Fourth Proportional to 19,653,886.70, 29,480,830.05 and 10,087,948.70
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Solution
The fourth proportional to 19,653,886.70, 29,480,830.05 and 10,087,948.70 is: 15,131,923.05
Step by Step Solution
- Step 1: Write the proportion equation
19,653,886.70 : 29,480,830.05 = 10,087,948.70 : x - Step 2: Convert to fraction form
19,653,886.70/29,480,830.05 = 10,087,948.70/x - Step 3: Cross multiply
19,653,886.70x = 29,480,830.05 × 10,087,948.70 - Step 4: Simplify right side
19,653,886.70x = 297,401,101,177,818.44 - Step 5: Solve for x
x = 297,401,101,177,818.44/19,653,886.70 - Step 6: Final answer
x = 15,131,923.05
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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.