Finding the Fourth Proportional to 13,269,199.40, 19,896,663.84 and 7,806,182.76
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Solution
The fourth proportional to 13,269,199.40, 19,896,663.84 and 7,806,182.76 is: 11,705,076.51
Step by Step Solution
- Step 1: Write the proportion equation
13,269,199.40 : 19,896,663.84 = 7,806,182.76 : x - Step 2: Convert to fraction form
13,269,199.40/19,896,663.84 = 7,806,182.76/x - Step 3: Cross multiply
13,269,199.40x = 19,896,663.84 × 7,806,182.76 - Step 4: Simplify right side
13,269,199.40x = 155,316,994,249,323.41 - Step 5: Solve for x
x = 155,316,994,249,323.41/13,269,199.40 - Step 6: Final answer
x = 11,705,076.51
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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.