Finding the Fourth Proportional to 14,272,607.08, 19,691,373.54 and 8,156,679.40
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Solution
The fourth proportional to 14,272,607.08, 19,691,373.54 and 8,156,679.40 is: 11,253,460.56
Step by Step Solution
- Step 1: Write the proportion equation
14,272,607.08 : 19,691,373.54 = 8,156,679.40 : x - Step 2: Convert to fraction form
14,272,607.08/19,691,373.54 = 8,156,679.40/x - Step 3: Cross multiply
14,272,607.08x = 19,691,373.54 × 8,156,679.40 - Step 4: Simplify right side
14,272,607.08x = 160,616,220,911,423.06 - Step 5: Solve for x
x = 160,616,220,911,423.06/14,272,607.08 - Step 6: Final answer
x = 11,253,460.56
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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.