Finding the Fourth Proportional to 38,804,586.90, 58,206,880.35 and 13,246,430.10
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Solution
The fourth proportional to 38,804,586.90, 58,206,880.35 and 13,246,430.10 is: 19,869,645.15
Step by Step Solution
- Step 1: Write the proportion equation
38,804,586.90 : 58,206,880.35 = 13,246,430.10 : x - Step 2: Convert to fraction form
38,804,586.90/58,206,880.35 = 13,246,430.10/x - Step 3: Cross multiply
38,804,586.90x = 58,206,880.35 × 13,246,430.10 - Step 4: Simplify right side
38,804,586.90x = 771,033,371,895,338.50 - Step 5: Solve for x
x = 771,033,371,895,338.50/38,804,586.90 - Step 6: Final answer
x = 19,869,645.15
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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.