Finding the Fourth Proportional to 13,710,840.84, 20,569,144.86 and 5,190,988.68
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Solution
The fourth proportional to 13,710,840.84, 20,569,144.86 and 5,190,988.68 is: 7,787,574.76
Step by Step Solution
- Step 1: Write the proportion equation
13,710,840.84 : 20,569,144.86 = 5,190,988.68 : x - Step 2: Convert to fraction form
13,710,840.84/20,569,144.86 = 5,190,988.68/x - Step 3: Cross multiply
13,710,840.84x = 20,569,144.86 × 5,190,988.68 - Step 4: Simplify right side
13,710,840.84x = 106,774,198,125,540.17 - Step 5: Solve for x
x = 106,774,198,125,540.17/13,710,840.84 - Step 6: Final answer
x = 7,787,574.76
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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.