Finding the Fourth Proportional to 10,754,389.98, 14,837,874.39 and 6,399,985.50
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Solution
The fourth proportional to 10,754,389.98, 14,837,874.39 and 6,399,985.50 is: 8,830,085.31
Step by Step Solution
- Step 1: Write the proportion equation
10,754,389.98 : 14,837,874.39 = 6,399,985.50 : x - Step 2: Convert to fraction form
10,754,389.98/14,837,874.39 = 6,399,985.50/x - Step 3: Cross multiply
10,754,389.98x = 14,837,874.39 × 6,399,985.50 - Step 4: Simplify right side
10,754,389.98x = 94,962,180,946,821.34 - Step 5: Solve for x
x = 94,962,180,946,821.34/10,754,389.98 - Step 6: Final answer
x = 8,830,085.31
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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.