Finding the Fourth Proportional to 26,762,486.10, 40,143,729.15 and 8,809,257.30
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Solution
The fourth proportional to 26,762,486.10, 40,143,729.15 and 8,809,257.30 is: 13,213,885.95
Step by Step Solution
- Step 1: Write the proportion equation
26,762,486.10 : 40,143,729.15 = 8,809,257.30 : x - Step 2: Convert to fraction form
26,762,486.10/40,143,729.15 = 8,809,257.30/x - Step 3: Cross multiply
26,762,486.10x = 40,143,729.15 × 8,809,257.30 - Step 4: Simplify right side
26,762,486.10x = 353,636,439,063,860.31 - Step 5: Solve for x
x = 353,636,439,063,860.31/26,762,486.10 - Step 6: Final answer
x = 13,213,885.95
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1.5x scale
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.