Finding the Fourth Proportional to 19,779,006.68, 29,615,355.02 and 12,551,409.08
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Solution
The fourth proportional to 19,779,006.68, 29,615,355.02 and 12,551,409.08 is: 18,793,382.39
Step by Step Solution
- Step 1: Write the proportion equation
19,779,006.68 : 29,615,355.02 = 12,551,409.08 : x - Step 2: Convert to fraction form
19,779,006.68/29,615,355.02 = 12,551,409.08/x - Step 3: Cross multiply
19,779,006.68x = 29,615,355.02 × 12,551,409.08 - Step 4: Simplify right side
19,779,006.68x = 371,714,435,905,451.56 - Step 5: Solve for x
x = 371,714,435,905,451.56/19,779,006.68 - Step 6: Final answer
x = 18,793,382.39
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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.