Finding the Fourth Proportional to 14,235,681.96, 19,645,211.07 and 7,709,291.28
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Solution
The fourth proportional to 14,235,681.96, 19,645,211.07 and 7,709,291.28 is: 10,638,805.70
Step by Step Solution
- Step 1: Write the proportion equation
14,235,681.96 : 19,645,211.07 = 7,709,291.28 : x - Step 2: Convert to fraction form
14,235,681.96/19,645,211.07 = 7,709,291.28/x - Step 3: Cross multiply
14,235,681.96x = 19,645,211.07 × 7,709,291.28 - Step 4: Simplify right side
14,235,681.96x = 151,450,654,395,710.47 - Step 5: Solve for x
x = 151,450,654,395,710.47/14,235,681.96 - Step 6: Final answer
x = 10,638,805.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.