Finding the Fourth Proportional to 10,779,482.16, 16,168,312.38 and 3,492,787.68
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Solution
The fourth proportional to 10,779,482.16, 16,168,312.38 and 3,492,787.68 is: 5,238,886.38
Step by Step Solution
- Step 1: Write the proportion equation
10,779,482.16 : 16,168,312.38 = 3,492,787.68 : x - Step 2: Convert to fraction form
10,779,482.16/16,168,312.38 = 3,492,787.68/x - Step 3: Cross multiply
10,779,482.16x = 16,168,312.38 × 3,492,787.68 - Step 4: Simplify right side
10,779,482.16x = 56,472,482,287,255.48 - Step 5: Solve for x
x = 56,472,482,287,255.48/10,779,482.16 - Step 6: Final answer
x = 5,238,886.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.