Finding the Fourth Proportional to 19,374,693.36, 26,735,696.28 and 11,533,789.68
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Solution
The fourth proportional to 19,374,693.36, 26,735,696.28 and 11,533,789.68 is: 15,915,807.91
Step by Step Solution
- Step 1: Write the proportion equation
19,374,693.36 : 26,735,696.28 = 11,533,789.68 : x - Step 2: Convert to fraction form
19,374,693.36/26,735,696.28 = 11,533,789.68/x - Step 3: Cross multiply
19,374,693.36x = 26,735,696.28 × 11,533,789.68 - Step 4: Simplify right side
19,374,693.36x = 308,363,897,841,878.38 - Step 5: Solve for x
x = 308,363,897,841,878.38/19,374,693.36 - Step 6: Final answer
x = 15,915,807.91
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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.