Finding the Fourth Proportional to 13,203,746.70, 19,782,000.45 and 11,314,178.70
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Solution
The fourth proportional to 13,203,746.70, 19,782,000.45 and 11,314,178.70 is: 16,951,028.61
Step by Step Solution
- Step 1: Write the proportion equation
13,203,746.70 : 19,782,000.45 = 11,314,178.70 : x - Step 2: Convert to fraction form
13,203,746.70/19,782,000.45 = 11,314,178.70/x - Step 3: Cross multiply
13,203,746.70x = 19,782,000.45 × 11,314,178.70 - Step 4: Simplify right side
13,203,746.70x = 223,817,088,134,780.41 - Step 5: Solve for x
x = 223,817,088,134,780.41/13,203,746.70 - Step 6: Final answer
x = 16,951,028.61
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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.