Finding the Fourth Proportional to 13,259,268.17, 19,851,948.95 and 6,768,380.66
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Solution
The fourth proportional to 13,259,268.17, 19,851,948.95 and 6,768,380.66 is: 10,133,707.66
Step by Step Solution
- Step 1: Write the proportion equation
13,259,268.17 : 19,851,948.95 = 6,768,380.66 : x - Step 2: Convert to fraction form
13,259,268.17/19,851,948.95 = 6,768,380.66/x - Step 3: Cross multiply
13,259,268.17x = 19,851,948.95 × 6,768,380.66 - Step 4: Simplify right side
13,259,268.17x = 134,365,547,403,038.12 - Step 5: Solve for x
x = 134,365,547,403,038.12/13,259,268.17 - Step 6: Final answer
x = 10,133,707.66
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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.