Finding the Fourth Proportional to 10,779,416.48, 14,880,929.41 and 6,651,721.18
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Solution
The fourth proportional to 10,779,416.48, 14,880,929.41 and 6,651,721.18 is: 9,182,667.13
Step by Step Solution
- Step 1: Write the proportion equation
10,779,416.48 : 14,880,929.41 = 6,651,721.18 : x - Step 2: Convert to fraction form
10,779,416.48/14,880,929.41 = 6,651,721.18/x - Step 3: Cross multiply
10,779,416.48x = 14,880,929.41 × 6,651,721.18 - Step 4: Simplify right side
10,779,416.48x = 98,983,793,361,497.73 - Step 5: Solve for x
x = 98,983,793,361,497.73/10,779,416.48 - Step 6: Final answer
x = 9,182,667.13
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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.