Finding the Fourth Proportional to 13,294,539.40, 19,926,062.70 and 9,924,809.80
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Solution
The fourth proportional to 13,294,539.40, 19,926,062.70 and 9,924,809.80 is: 14,875,459.50
Step by Step Solution
- Step 1: Write the proportion equation
13,294,539.40 : 19,926,062.70 = 9,924,809.80 : x - Step 2: Convert to fraction form
13,294,539.40/19,926,062.70 = 9,924,809.80/x - Step 3: Cross multiply
13,294,539.40x = 19,926,062.70 × 9,924,809.80 - Step 4: Simplify right side
13,294,539.40x = 197,762,382,360,374.47 - Step 5: Solve for x
x = 197,762,382,360,374.47/13,294,539.40 - Step 6: Final answer
x = 14,875,459.50
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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.