Finding the Fourth Proportional to 40,268,442.30, 60,391,639.54 and 11,115,312.08
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Solution
The fourth proportional to 40,268,442.30, 60,391,639.54 and 11,115,312.08 is: 16,669,925.19
Step by Step Solution
- Step 1: Write the proportion equation
40,268,442.30 : 60,391,639.54 = 11,115,312.08 : x - Step 2: Convert to fraction form
40,268,442.30/60,391,639.54 = 11,115,312.08/x - Step 3: Cross multiply
40,268,442.30x = 60,391,639.54 × 11,115,312.08 - Step 4: Simplify right side
40,268,442.30x = 671,271,920,454,391 - Step 5: Solve for x
x = 671,271,920,454,391/40,268,442.30 - Step 6: Final answer
x = 16,669,925.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.