Finding the Fourth Proportional to 10,386,892.80, 14,335,691.99 and 6,038,501.40
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Solution
The fourth proportional to 10,386,892.80, 14,335,691.99 and 6,038,501.40 is: 8,334,166.70
Step by Step Solution
- Step 1: Write the proportion equation
10,386,892.80 : 14,335,691.99 = 6,038,501.40 : x - Step 2: Convert to fraction form
10,386,892.80/14,335,691.99 = 6,038,501.40/x - Step 3: Cross multiply
10,386,892.80x = 14,335,691.99 × 6,038,501.40 - Step 4: Simplify right side
10,386,892.80x = 86,566,096,121,391.28 - Step 5: Solve for x
x = 86,566,096,121,391.28/10,386,892.80 - Step 6: Final answer
x = 8,334,166.70
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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.