Finding the Fourth Proportional to 19,378,605.98, 26,742,464.07 and 10,676,778.51
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Solution
The fourth proportional to 19,378,605.98, 26,742,464.07 and 10,676,778.51 is: 14,733,947.63
Step by Step Solution
- Step 1: Write the proportion equation
19,378,605.98 : 26,742,464.07 = 10,676,778.51 : x - Step 2: Convert to fraction form
19,378,605.98/26,742,464.07 = 10,676,778.51/x - Step 3: Cross multiply
19,378,605.98x = 26,742,464.07 × 10,676,778.51 - Step 4: Simplify right side
19,378,605.98x = 285,523,365,687,023.12 - Step 5: Solve for x
x = 285,523,365,687,023.12/19,378,605.98 - Step 6: Final answer
x = 14,733,947.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.