Finding the Fourth Proportional to 43,203,681.28, 64,805,587.53 and 17,644,690.68
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Solution
The fourth proportional to 43,203,681.28, 64,805,587.53 and 17,644,690.68 is: 26,467,062.82
Step by Step Solution
- Step 1: Write the proportion equation
43,203,681.28 : 64,805,587.53 = 17,644,690.68 : x - Step 2: Convert to fraction form
43,203,681.28/64,805,587.53 = 17,644,690.68/x - Step 3: Cross multiply
43,203,681.28x = 64,805,587.53 × 17,644,690.68 - Step 4: Simplify right side
43,203,681.28x = 1,143,474,546,302,515.25 - Step 5: Solve for x
x = 1,143,474,546,302,515.25/43,203,681.28 - Step 6: Final answer
x = 26,467,062.82
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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.