Finding the Fourth Proportional to 22,660,078.59, 31,270,913.33 and 12,346,801.79
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Solution
The fourth proportional to 22,660,078.59, 31,270,913.33 and 12,346,801.79 is: 17,038,589.12
Step by Step Solution
- Step 1: Write the proportion equation
22,660,078.59 : 31,270,913.33 = 12,346,801.79 : x - Step 2: Convert to fraction form
22,660,078.59/31,270,913.33 = 12,346,801.79/x - Step 3: Cross multiply
22,660,078.59x = 31,270,913.33 × 12,346,801.79 - Step 4: Simplify right side
22,660,078.59x = 386,095,768,459,690.25 - Step 5: Solve for x
x = 386,095,768,459,690.25/22,660,078.59 - Step 6: Final answer
x = 17,038,589.12
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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.