Finding the Fourth Proportional to 19,879,901.28, 29,823,007.68 and 6,413,580
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Solution
The fourth proportional to 19,879,901.28, 29,823,007.68 and 6,413,580 is: 9,621,388.10
Step by Step Solution
- Step 1: Write the proportion equation
19,879,901.28 : 29,823,007.68 = 6,413,580 : x - Step 2: Convert to fraction form
19,879,901.28/29,823,007.68 = 6,413,580/x - Step 3: Cross multiply
19,879,901.28x = 29,823,007.68 × 6,413,580 - Step 4: Simplify right side
19,879,901.28x = 191,272,245,596,294.41 - Step 5: Solve for x
x = 191,272,245,596,294.41/19,879,901.28 - Step 6: Final answer
x = 9,621,388.10
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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.