Finding the Fourth Proportional to 42,522,710.94, 63,793,368.75 and 13,771,752.84
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Solution
The fourth proportional to 42,522,710.94, 63,793,368.75 and 13,771,752.84 is: 20,660,641.99
Step by Step Solution
- Step 1: Write the proportion equation
42,522,710.94 : 63,793,368.75 = 13,771,752.84 : x - Step 2: Convert to fraction form
42,522,710.94/63,793,368.75 = 13,771,752.84/x - Step 3: Cross multiply
42,522,710.94x = 63,793,368.75 × 13,771,752.84 - Step 4: Simplify right side
42,522,710.94x = 878,546,506,937,013 - Step 5: Solve for x
x = 878,546,506,937,013/42,522,710.94 - Step 6: Final answer
x = 20,660,641.99
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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.