Finding the Fourth Proportional to 19,208,593.08, 28,812,938.40 and 7,849,039.68
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Solution
The fourth proportional to 19,208,593.08, 28,812,938.40 and 7,849,039.68 is: 11,773,579.45
Step by Step Solution
- Step 1: Write the proportion equation
19,208,593.08 : 28,812,938.40 = 7,849,039.68 : x - Step 2: Convert to fraction form
19,208,593.08/28,812,938.40 = 7,849,039.68/x - Step 3: Cross multiply
19,208,593.08x = 28,812,938.40 × 7,849,039.68 - Step 4: Simplify right side
19,208,593.08x = 226,153,896,798,995.69 - Step 5: Solve for x
x = 226,153,896,798,995.69/19,208,593.08 - Step 6: Final answer
x = 11,773,579.45
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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.