Finding the Fourth Proportional to 15,968,775.44, 22,013,965.80 and 11,377,125.20
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Solution
The fourth proportional to 15,968,775.44, 22,013,965.80 and 11,377,125.20 is: 15,684,085.86
Step by Step Solution
- Step 1: Write the proportion equation
15,968,775.44 : 22,013,965.80 = 11,377,125.20 : x - Step 2: Convert to fraction form
15,968,775.44/22,013,965.80 = 11,377,125.20/x - Step 3: Cross multiply
15,968,775.44x = 22,013,965.80 × 11,377,125.20 - Step 4: Simplify right side
15,968,775.44x = 250,455,645,055,118.16 - Step 5: Solve for x
x = 250,455,645,055,118.16/15,968,775.44 - Step 6: Final answer
x = 15,684,085.86
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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.