Finding the Fourth Proportional to 16,688,930.10, 24,996,070.35 and 13,702,946.10
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Solution
The fourth proportional to 16,688,930.10, 24,996,070.35 and 13,702,946.10 is: 20,523,772.50
Step by Step Solution
- Step 1: Write the proportion equation
16,688,930.10 : 24,996,070.35 = 13,702,946.10 : x - Step 2: Convert to fraction form
16,688,930.10/24,996,070.35 = 13,702,946.10/x - Step 3: Cross multiply
16,688,930.10x = 24,996,070.35 × 13,702,946.10 - Step 4: Simplify right side
16,688,930.10x = 342,519,804,717,858.12 - Step 5: Solve for x
x = 342,519,804,717,858.12/16,688,930.10 - Step 6: Final answer
x = 20,523,772.50
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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.