Finding the Fourth Proportional to 42,001,265.63, 57,961,785.63 and 22,685,681.63
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Solution
The fourth proportional to 42,001,265.63, 57,961,785.63 and 22,685,681.63 is: 31,306,261.75
Step by Step Solution
- Step 1: Write the proportion equation
42,001,265.63 : 57,961,785.63 = 22,685,681.63 : x - Step 2: Convert to fraction form
42,001,265.63/57,961,785.63 = 22,685,681.63/x - Step 3: Cross multiply
42,001,265.63x = 57,961,785.63 × 22,685,681.63 - Step 4: Simplify right side
42,001,265.63x = 1,314,902,615,508,489 - Step 5: Solve for x
x = 1,314,902,615,508,489/42,001,265.63 - Step 6: Final answer
x = 31,306,261.75
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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.