Finding the Fourth Proportional to 15,013,194.72, 22,516,338.24 and 8,949,638.40
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Solution
The fourth proportional to 15,013,194.72, 22,516,338.24 and 8,949,638.40 is: 13,422,398.70
Step by Step Solution
- Step 1: Write the proportion equation
15,013,194.72 : 22,516,338.24 = 8,949,638.40 : x - Step 2: Convert to fraction form
15,013,194.72/22,516,338.24 = 8,949,638.40/x - Step 3: Cross multiply
15,013,194.72x = 22,516,338.24 × 8,949,638.40 - Step 4: Simplify right side
15,013,194.72x = 201,513,085,340,092.41 - Step 5: Solve for x
x = 201,513,085,340,092.41/15,013,194.72 - Step 6: Final answer
x = 13,422,398.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.