Finding the Fourth Proportional to 11,497,565.60, 15,865,955.40 and 6,603,584.48
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Solution
The fourth proportional to 11,497,565.60, 15,865,955.40 and 6,603,584.48 is: 9,112,553.08
Step by Step Solution
- Step 1: Write the proportion equation
11,497,565.60 : 15,865,955.40 = 6,603,584.48 : x - Step 2: Convert to fraction form
11,497,565.60/15,865,955.40 = 6,603,584.48/x - Step 3: Cross multiply
11,497,565.60x = 15,865,955.40 × 6,603,584.48 - Step 4: Simplify right side
11,497,565.60x = 104,772,176,839,812.20 - Step 5: Solve for x
x = 104,772,176,839,812.20/11,497,565.60 - Step 6: Final answer
x = 9,112,553.08
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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.