Finding the Fourth Proportional to 19,429,897.40, 29,121,518.10 and 8,064,495.80
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Solution
The fourth proportional to 19,429,897.40, 29,121,518.10 and 8,064,495.80 is: 12,087,061.27
Step by Step Solution
- Step 1: Write the proportion equation
19,429,897.40 : 29,121,518.10 = 8,064,495.80 : x - Step 2: Convert to fraction form
19,429,897.40/29,121,518.10 = 8,064,495.80/x - Step 3: Cross multiply
19,429,897.40x = 29,121,518.10 × 8,064,495.80 - Step 4: Simplify right side
19,429,897.40x = 234,850,360,407,074 - Step 5: Solve for x
x = 234,850,360,407,074/19,429,897.40 - Step 6: Final answer
x = 12,087,061.27
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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.