Finding the Fourth Proportional to 35,827,555.20, 53,748,331.20 and 14,258,486.40
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Solution
The fourth proportional to 35,827,555.20, 53,748,331.20 and 14,258,486.40 is: 21,390,514.79
Step by Step Solution
- Step 1: Write the proportion equation
35,827,555.20 : 53,748,331.20 = 14,258,486.40 : x - Step 2: Convert to fraction form
35,827,555.20/53,748,331.20 = 14,258,486.40/x - Step 3: Cross multiply
35,827,555.20x = 53,748,331.20 × 14,258,486.40 - Step 4: Simplify right side
35,827,555.20x = 766,369,849,437,895.75 - Step 5: Solve for x
x = 766,369,849,437,895.75/35,827,555.20 - Step 6: Final answer
x = 21,390,514.79
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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.