Finding the Fourth Proportional to 12,261,055.84, 16,920,257.16 and 6,828,547.84
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Solution
The fourth proportional to 12,261,055.84, 16,920,257.16 and 6,828,547.84 is: 9,423,396.08
Step by Step Solution
- Step 1: Write the proportion equation
12,261,055.84 : 16,920,257.16 = 6,828,547.84 : x - Step 2: Convert to fraction form
12,261,055.84/16,920,257.16 = 6,828,547.84/x - Step 3: Cross multiply
12,261,055.84x = 16,920,257.16 × 6,828,547.84 - Step 4: Simplify right side
12,261,055.84x = 115,540,785,482,162.53 - Step 5: Solve for x
x = 115,540,785,482,162.53/12,261,055.84 - Step 6: Final answer
x = 9,423,396.08
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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.