Finding the Fourth Proportional to 13,127,898.87, 19,681,649.79 and 8,507,123.88
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Solution
The fourth proportional to 13,127,898.87, 19,681,649.79 and 8,507,123.88 is: 12,754,076.99
Step by Step Solution
- Step 1: Write the proportion equation
13,127,898.87 : 19,681,649.79 = 8,507,123.88 : x - Step 2: Convert to fraction form
13,127,898.87/19,681,649.79 = 8,507,123.88/x - Step 3: Cross multiply
13,127,898.87x = 19,681,649.79 × 8,507,123.88 - Step 4: Simplify right side
13,127,898.87x = 167,434,232,926,306 - Step 5: Solve for x
x = 167,434,232,926,306/13,127,898.87 - Step 6: Final answer
x = 12,754,076.99
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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.