Finding the Fourth Proportional to 28,547,596.66, 42,830,617.04 and 13,204,950.80
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Solution
The fourth proportional to 28,547,596.66, 42,830,617.04 and 13,204,950.80 is: 19,811,691.95
Step by Step Solution
- Step 1: Write the proportion equation
28,547,596.66 : 42,830,617.04 = 13,204,950.80 : x - Step 2: Convert to fraction form
28,547,596.66/42,830,617.04 = 13,204,950.80/x - Step 3: Cross multiply
28,547,596.66x = 42,830,617.04 × 13,204,950.80 - Step 4: Simplify right side
28,547,596.66x = 565,576,190,828,855 - Step 5: Solve for x
x = 565,576,190,828,855/28,547,596.66 - Step 6: Final answer
x = 19,811,691.95
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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.