Finding the Fourth Proportional to 15,228,884.04, 21,012,952.14 and 8,704,582.08
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Solution
The fourth proportional to 15,228,884.04, 21,012,952.14 and 8,704,582.08 is: 12,010,661.20
Step by Step Solution
- Step 1: Write the proportion equation
15,228,884.04 : 21,012,952.14 = 8,704,582.08 : x - Step 2: Convert to fraction form
15,228,884.04/21,012,952.14 = 8,704,582.08/x - Step 3: Cross multiply
15,228,884.04x = 21,012,952.14 × 8,704,582.08 - Step 4: Simplify right side
15,228,884.04x = 182,908,966,645,741.66 - Step 5: Solve for x
x = 182,908,966,645,741.66/15,228,884.04 - Step 6: Final answer
x = 12,010,661.20
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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.