Finding the Fourth Proportional to 28,873,228.98, 43,315,305.72 and 11,602,774.29
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Solution
The fourth proportional to 28,873,228.98, 43,315,305.72 and 11,602,774.29 is: 17,406,356.45
Step by Step Solution
- Step 1: Write the proportion equation
28,873,228.98 : 43,315,305.72 = 11,602,774.29 : x - Step 2: Convert to fraction form
28,873,228.98/43,315,305.72 = 11,602,774.29/x - Step 3: Cross multiply
28,873,228.98x = 43,315,305.72 × 11,602,774.29 - Step 4: Simplify right side
28,873,228.98x = 502,577,715,571,505.88 - Step 5: Solve for x
x = 502,577,715,571,505.88/28,873,228.98 - Step 6: Final answer
x = 17,406,356.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.