Finding the Fourth Proportional to 10,368,437.30, 15,552,655.95 and 9,896,045.30
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Solution
The fourth proportional to 10,368,437.30, 15,552,655.95 and 9,896,045.30 is: 14,844,067.95
Step by Step Solution
- Step 1: Write the proportion equation
10,368,437.30 : 15,552,655.95 = 9,896,045.30 : x - Step 2: Convert to fraction form
10,368,437.30/15,552,655.95 = 9,896,045.30/x - Step 3: Cross multiply
10,368,437.30x = 15,552,655.95 × 9,896,045.30 - Step 4: Simplify right side
10,368,437.30x = 153,909,787,816,514.53 - Step 5: Solve for x
x = 153,909,787,816,514.53/10,368,437.30 - Step 6: Final answer
x = 14,844,067.95
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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.