Finding the Fourth Proportional to 14,689,621.40, 22,034,432.10 and 14,547,903.80
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Solution
The fourth proportional to 14,689,621.40, 22,034,432.10 and 14,547,903.80 is: 21,821,855.70
Step by Step Solution
- Step 1: Write the proportion equation
14,689,621.40 : 22,034,432.10 = 14,547,903.80 : x - Step 2: Convert to fraction form
14,689,621.40/22,034,432.10 = 14,547,903.80/x - Step 3: Cross multiply
14,689,621.40x = 22,034,432.10 × 14,547,903.80 - Step 4: Simplify right side
14,689,621.40x = 320,554,798,478,432 - Step 5: Solve for x
x = 320,554,798,478,432/14,689,621.40 - Step 6: Final answer
x = 21,821,855.70
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1.5x scale
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.