Finding the Fourth Proportional to 12,020,192.76, 17,943,252.20 and 10,565,746.70
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Solution
The fourth proportional to 12,020,192.76, 17,943,252.20 and 10,565,746.70 is: 15,772,114.59
Step by Step Solution
- Step 1: Write the proportion equation
12,020,192.76 : 17,943,252.20 = 10,565,746.70 : x - Step 2: Convert to fraction form
12,020,192.76/17,943,252.20 = 10,565,746.70/x - Step 3: Cross multiply
12,020,192.76x = 17,943,252.20 × 10,565,746.70 - Step 4: Simplify right side
12,020,192.76x = 189,583,857,616,494.31 - Step 5: Solve for x
x = 189,583,857,616,494.31/12,020,192.76 - Step 6: Final answer
x = 15,772,114.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.