Finding the Fourth Proportional to 8,955,335.16, 12,358,367.10 and 5,087,863.08
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Solution
The fourth proportional to 8,955,335.16, 12,358,367.10 and 5,087,863.08 is: 7,021,253.65
Step by Step Solution
- Step 1: Write the proportion equation
8,955,335.16 : 12,358,367.10 = 5,087,863.08 : x - Step 2: Convert to fraction form
8,955,335.16/12,358,367.10 = 5,087,863.08/x - Step 3: Cross multiply
8,955,335.16x = 12,358,367.10 × 5,087,863.08 - Step 4: Simplify right side
8,955,335.16x = 62,877,679,697,176.66 - Step 5: Solve for x
x = 62,877,679,697,176.66/8,955,335.16 - Step 6: Final answer
x = 7,021,253.65
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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.