Finding the Fourth Proportional to 19,932,564.60, 29,897,291.70 and 7,799,671.80
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Solution
The fourth proportional to 19,932,564.60, 29,897,291.70 and 7,799,671.80 is: 11,698,899.15
Step by Step Solution
- Step 1: Write the proportion equation
19,932,564.60 : 29,897,291.70 = 7,799,671.80 : x - Step 2: Convert to fraction form
19,932,564.60/29,897,291.70 = 7,799,671.80/x - Step 3: Cross multiply
19,932,564.60x = 29,897,291.70 × 7,799,671.80 - Step 4: Simplify right side
19,932,564.60x = 233,189,062,968,864.06 - Step 5: Solve for x
x = 233,189,062,968,864.06/19,932,564.60 - Step 6: Final answer
x = 11,698,899.15
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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.