Finding the Fourth Proportional to 38,975,882.94, 58,437,252.36 and 19,769,605.20
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Solution
The fourth proportional to 38,975,882.94, 58,437,252.36 and 19,769,605.20 is: 29,640,929.75
Step by Step Solution
- Step 1: Write the proportion equation
38,975,882.94 : 58,437,252.36 = 19,769,605.20 : x - Step 2: Convert to fraction form
38,975,882.94/58,437,252.36 = 19,769,605.20/x - Step 3: Cross multiply
38,975,882.94x = 58,437,252.36 × 19,769,605.20 - Step 4: Simplify right side
38,975,882.94x = 1,155,281,408,129,968.25 - Step 5: Solve for x
x = 1,155,281,408,129,968.25/38,975,882.94 - Step 6: Final answer
x = 29,640,929.75
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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.