Finding the Fourth Proportional to 14,448,345.21, 19,939,612.19 and 8,009,817.21
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Solution
The fourth proportional to 14,448,345.21, 19,939,612.19 and 8,009,817.21 is: 11,054,044.36
Step by Step Solution
- Step 1: Write the proportion equation
14,448,345.21 : 19,939,612.19 = 8,009,817.21 : x - Step 2: Convert to fraction form
14,448,345.21/19,939,612.19 = 8,009,817.21/x - Step 3: Cross multiply
14,448,345.21x = 19,939,612.19 × 8,009,817.21 - Step 4: Simplify right side
14,448,345.21x = 159,712,648,840,138.69 - Step 5: Solve for x
x = 159,712,648,840,138.69/14,448,345.21 - Step 6: Final answer
x = 11,054,044.36
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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.