Finding the Fourth Proportional to 19,928,251.80, 29,892,377.70 and 17,408,827.80
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Solution
The fourth proportional to 19,928,251.80, 29,892,377.70 and 17,408,827.80 is: 26,113,241.70
Step by Step Solution
- Step 1: Write the proportion equation
19,928,251.80 : 29,892,377.70 = 17,408,827.80 : x - Step 2: Convert to fraction form
19,928,251.80/29,892,377.70 = 17,408,827.80/x - Step 3: Cross multiply
19,928,251.80x = 29,892,377.70 × 17,408,827.80 - Step 4: Simplify right side
19,928,251.80x = 520,391,255,911,860.06 - Step 5: Solve for x
x = 520,391,255,911,860.06/19,928,251.80 - Step 6: Final answer
x = 26,113,241.70
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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.