Finding the Fourth Proportional to 13,193,017.16, 19,767,637.98 and 9,335,715.08
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Solution
The fourth proportional to 13,193,017.16, 19,767,637.98 and 9,335,715.08 is: 13,988,084.28
Step by Step Solution
- Step 1: Write the proportion equation
13,193,017.16 : 19,767,637.98 = 9,335,715.08 : x - Step 2: Convert to fraction form
13,193,017.16/19,767,637.98 = 9,335,715.08/x - Step 3: Cross multiply
13,193,017.16x = 19,767,637.98 × 9,335,715.08 - Step 4: Simplify right side
13,193,017.16x = 184,545,035,887,028.53 - Step 5: Solve for x
x = 184,545,035,887,028.53/13,193,017.16 - Step 6: Final answer
x = 13,988,084.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.