Finding the Fourth Proportional to 13,294,533.40, 19,926,053.70 and 9,924,803.80
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Solution
The fourth proportional to 13,294,533.40, 19,926,053.70 and 9,924,803.80 is: 14,875,450.50
Step by Step Solution
- Step 1: Write the proportion equation
13,294,533.40 : 19,926,053.70 = 9,924,803.80 : x - Step 2: Convert to fraction form
13,294,533.40/19,926,053.70 = 9,924,803.80/x - Step 3: Cross multiply
13,294,533.40x = 19,926,053.70 × 9,924,803.80 - Step 4: Simplify right side
13,294,533.40x = 197,762,173,480,764.06 - Step 5: Solve for x
x = 197,762,173,480,764.06/13,294,533.40 - Step 6: Final answer
x = 14,875,450.50
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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.