Finding the Fourth Proportional to 16,653,421.58, 22,969,041.46 and 14,334,261.26
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Solution
The fourth proportional to 16,653,421.58, 22,969,041.46 and 14,334,261.26 is: 19,770,366.08
Step by Step Solution
- Step 1: Write the proportion equation
16,653,421.58 : 22,969,041.46 = 14,334,261.26 : x - Step 2: Convert to fraction form
16,653,421.58/22,969,041.46 = 14,334,261.26/x - Step 3: Cross multiply
16,653,421.58x = 22,969,041.46 × 14,334,261.26 - Step 4: Simplify right side
16,653,421.58x = 329,244,241,028,731 - Step 5: Solve for x
x = 329,244,241,028,731/16,653,421.58 - Step 6: Final answer
x = 19,770,366.08
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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.