Finding the Fourth Proportional to 26,154,330.80, 39,234,924.12 and 8,641,069.72
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Solution
The fourth proportional to 26,154,330.80, 39,234,924.12 and 8,641,069.72 is: 12,962,737.12
Step by Step Solution
- Step 1: Write the proportion equation
26,154,330.80 : 39,234,924.12 = 8,641,069.72 : x - Step 2: Convert to fraction form
26,154,330.80/39,234,924.12 = 8,641,069.72/x - Step 3: Cross multiply
26,154,330.80x = 39,234,924.12 × 8,641,069.72 - Step 4: Simplify right side
26,154,330.80x = 339,031,714,779,829.62 - Step 5: Solve for x
x = 339,031,714,779,829.62/26,154,330.80 - Step 6: Final answer
x = 12,962,737.12
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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.