Finding the Fourth Proportional to 19,935,027.60, 29,893,684.05 and 7,800,458.10
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Solution
The fourth proportional to 19,935,027.60, 29,893,684.05 and 7,800,458.10 is: 11,697,221.32
Step by Step Solution
- Step 1: Write the proportion equation
19,935,027.60 : 29,893,684.05 = 7,800,458.10 : x - Step 2: Convert to fraction form
19,935,027.60/29,893,684.05 = 7,800,458.10/x - Step 3: Cross multiply
19,935,027.60x = 29,893,684.05 × 7,800,458.10 - Step 4: Simplify right side
19,935,027.60x = 233,184,429,886,663.31 - Step 5: Solve for x
x = 233,184,429,886,663.31/19,935,027.60 - Step 6: Final answer
x = 11,697,221.32
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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.