Finding the Fourth Proportional to 19,764,335.70, 29,646,503.55 and 6,985,257.30
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Solution
The fourth proportional to 19,764,335.70, 29,646,503.55 and 6,985,257.30 is: 10,477,885.95
Step by Step Solution
- Step 1: Write the proportion equation
19,764,335.70 : 29,646,503.55 = 6,985,257.30 : x - Step 2: Convert to fraction form
19,764,335.70/29,646,503.55 = 6,985,257.30/x - Step 3: Cross multiply
19,764,335.70x = 29,646,503.55 × 6,985,257.30 - Step 4: Simplify right side
19,764,335.70x = 207,088,455,342,113.41 - Step 5: Solve for x
x = 207,088,455,342,113.41/19,764,335.70 - Step 6: Final answer
x = 10,477,885.95
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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.