Finding the Fourth Proportional to 19,408,644.19, 29,102,042.07 and 6,447,856.16
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Solution
The fourth proportional to 19,408,644.19, 29,102,042.07 and 6,447,856.16 is: 9,668,155.05
Step by Step Solution
- Step 1: Write the proportion equation
19,408,644.19 : 29,102,042.07 = 6,447,856.16 : x - Step 2: Convert to fraction form
19,408,644.19/29,102,042.07 = 6,447,856.16/x - Step 3: Cross multiply
19,408,644.19x = 29,102,042.07 × 6,447,856.16 - Step 4: Simplify right side
19,408,644.19x = 187,645,781,302,383.75 - Step 5: Solve for x
x = 187,645,781,302,383.75/19,408,644.19 - Step 6: Final answer
x = 9,668,155.05
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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.