Finding the Fourth Proportional to 13,163,218.60, 19,723,631.10 and 7,466,501.80
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Solution
The fourth proportional to 13,163,218.60, 19,723,631.10 and 7,466,501.80 is: 11,187,729.35
Step by Step Solution
- Step 1: Write the proportion equation
13,163,218.60 : 19,723,631.10 = 7,466,501.80 : x - Step 2: Convert to fraction form
13,163,218.60/19,723,631.10 = 7,466,501.80/x - Step 3: Cross multiply
13,163,218.60x = 19,723,631.10 × 7,466,501.80 - Step 4: Simplify right side
13,163,218.60x = 147,266,527,110,686 - Step 5: Solve for x
x = 147,266,527,110,686/13,163,218.60 - Step 6: Final answer
x = 11,187,729.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.