Finding the Fourth Proportional to 13,357,881.25, 18,433,911.61 and 7,246,309.75
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Solution
The fourth proportional to 13,357,881.25, 18,433,911.61 and 7,246,309.75 is: 9,999,926.70
Step by Step Solution
- Step 1: Write the proportion equation
13,357,881.25 : 18,433,911.61 = 7,246,309.75 : x - Step 2: Convert to fraction form
13,357,881.25/18,433,911.61 = 7,246,309.75/x - Step 3: Cross multiply
13,357,881.25x = 18,433,911.61 × 7,246,309.75 - Step 4: Simplify right side
13,357,881.25x = 133,577,833,393,154.28 - Step 5: Solve for x
x = 133,577,833,393,154.28/13,357,881.25 - Step 6: Final answer
x = 9,999,926.70
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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.