Finding the Fourth Proportional to 26,169,905.30, 39,254,857.95 and 8,220,823.70
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Solution
The fourth proportional to 26,169,905.30, 39,254,857.95 and 8,220,823.70 is: 12,331,235.55
Step by Step Solution
- Step 1: Write the proportion equation
26,169,905.30 : 39,254,857.95 = 8,220,823.70 : x - Step 2: Convert to fraction form
26,169,905.30/39,254,857.95 = 8,220,823.70/x - Step 3: Cross multiply
26,169,905.30x = 39,254,857.95 × 8,220,823.70 - Step 4: Simplify right side
26,169,905.30x = 322,707,266,575,493.44 - Step 5: Solve for x
x = 322,707,266,575,493.44/26,169,905.30 - Step 6: Final answer
x = 12,331,235.55
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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.