Finding the Fourth Proportional to 13,357,891.44, 18,433,925.62 and 7,246,319.94
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Solution
The fourth proportional to 13,357,891.44, 18,433,925.62 and 7,246,319.94 is: 9,999,940.74
Step by Step Solution
- Step 1: Write the proportion equation
13,357,891.44 : 18,433,925.62 = 7,246,319.94 : x - Step 2: Convert to fraction form
13,357,891.44/18,433,925.62 = 7,246,319.94/x - Step 3: Cross multiply
13,357,891.44x = 18,433,925.62 × 7,246,319.94 - Step 4: Simplify right side
13,357,891.44x = 133,578,122,774,567.06 - Step 5: Solve for x
x = 133,578,122,774,567.06/13,357,891.44 - Step 6: Final answer
x = 9,999,940.74
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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.