Finding the Fourth Proportional to 14,387,523.32, 19,868,041.05 and 9,239,852.63
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Solution
The fourth proportional to 14,387,523.32, 19,868,041.05 and 9,239,852.63 is: 12,759,511.64
Step by Step Solution
- Step 1: Write the proportion equation
14,387,523.32 : 19,868,041.05 = 9,239,852.63 : x - Step 2: Convert to fraction form
14,387,523.32/19,868,041.05 = 9,239,852.63/x - Step 3: Cross multiply
14,387,523.32x = 19,868,041.05 × 9,239,852.63 - Step 4: Simplify right side
14,387,523.32x = 183,577,771,249,450.25 - Step 5: Solve for x
x = 183,577,771,249,450.25/14,387,523.32 - Step 6: Final answer
x = 12,759,511.64
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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.