Finding the Fourth Proportional to 10,473,248.80, 15,674,443.80 and 9,197,790.40
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Solution
The fourth proportional to 10,473,248.80, 15,674,443.80 and 9,197,790.40 is: 13,765,570.88
Step by Step Solution
- Step 1: Write the proportion equation
10,473,248.80 : 15,674,443.80 = 9,197,790.40 : x - Step 2: Convert to fraction form
10,473,248.80/15,674,443.80 = 9,197,790.40/x - Step 3: Cross multiply
10,473,248.80x = 15,674,443.80 × 9,197,790.40 - Step 4: Simplify right side
10,473,248.80x = 144,170,248,708,979.53 - Step 5: Solve for x
x = 144,170,248,708,979.53/10,473,248.80 - Step 6: Final answer
x = 13,765,570.88
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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.