Finding the Fourth Proportional to 19,511,432.08, 26,924,715.84 and 10,809,085.66
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Solution
The fourth proportional to 19,511,432.08, 26,924,715.84 and 10,809,085.66 is: 14,915,950.75
Step by Step Solution
- Step 1: Write the proportion equation
19,511,432.08 : 26,924,715.84 = 10,809,085.66 : x - Step 2: Convert to fraction form
19,511,432.08/26,924,715.84 = 10,809,085.66/x - Step 3: Cross multiply
19,511,432.08x = 26,924,715.84 × 10,809,085.66 - Step 4: Simplify right side
19,511,432.08x = 291,031,559,885,718.88 - Step 5: Solve for x
x = 291,031,559,885,718.88/19,511,432.08 - Step 6: Final answer
x = 14,915,950.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.