Finding the Fourth Proportional to 19,207,354.08, 28,806,903.12 and 6,077,812.40
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Solution
The fourth proportional to 19,207,354.08, 28,806,903.12 and 6,077,812.40 is: 9,115,412.37
Step by Step Solution
- Step 1: Write the proportion equation
19,207,354.08 : 28,806,903.12 = 6,077,812.40 : x - Step 2: Convert to fraction form
19,207,354.08/28,806,903.12 = 6,077,812.40/x - Step 3: Cross multiply
19,207,354.08x = 28,806,903.12 × 6,077,812.40 - Step 4: Simplify right side
19,207,354.08x = 175,082,952,988,334.72 - Step 5: Solve for x
x = 175,082,952,988,334.72/19,207,354.08 - Step 6: Final answer
x = 9,115,412.37
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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.