Finding the Fourth Proportional to 19,708,027.36, 29,577,963.12 and 8,356,446.88
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Solution
The fourth proportional to 19,708,027.36, 29,577,963.12 and 8,356,446.88 is: 12,541,421.48
Step by Step Solution
- Step 1: Write the proportion equation
19,708,027.36 : 29,577,963.12 = 8,356,446.88 : x - Step 2: Convert to fraction form
19,708,027.36/29,577,963.12 = 8,356,446.88/x - Step 3: Cross multiply
19,708,027.36x = 29,577,963.12 × 8,356,446.88 - Step 4: Simplify right side
19,708,027.36x = 247,166,677,630,879.06 - Step 5: Solve for x
x = 247,166,677,630,879.06/19,708,027.36 - Step 6: Final answer
x = 12,541,421.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.