Finding the Fourth Proportional to 15,376,722.44, 21,220,319.94 and 8,501,648.36
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Solution
The fourth proportional to 15,376,722.44, 21,220,319.94 and 8,501,648.36 is: 11,732,519.65
Step by Step Solution
- Step 1: Write the proportion equation
15,376,722.44 : 21,220,319.94 = 8,501,648.36 : x - Step 2: Convert to fraction form
15,376,722.44/21,220,319.94 = 8,501,648.36/x - Step 3: Cross multiply
15,376,722.44x = 21,220,319.94 × 8,501,648.36 - Step 4: Simplify right side
15,376,722.44x = 180,407,698,216,576.31 - Step 5: Solve for x
x = 180,407,698,216,576.31/15,376,722.44 - Step 6: Final answer
x = 11,732,519.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.