Finding the Fourth Proportional to 14,259,139.84, 19,678,445.24 and 8,064,735.71
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Solution
The fourth proportional to 14,259,139.84, 19,678,445.24 and 8,064,735.71 is: 11,129,805.99
Step by Step Solution
- Step 1: Write the proportion equation
14,259,139.84 : 19,678,445.24 = 8,064,735.71 : x - Step 2: Convert to fraction form
14,259,139.84/19,678,445.24 = 8,064,735.71/x - Step 3: Cross multiply
14,259,139.84x = 19,678,445.24 × 8,064,735.71 - Step 4: Simplify right side
14,259,139.84x = 158,701,460,044,307.50 - Step 5: Solve for x
x = 158,701,460,044,307.50/14,259,139.84 - Step 6: Final answer
x = 11,129,805.99
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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.