Finding the Fourth Proportional to 42,683,970.36, 58,845,340.44 and 26,995,175.40
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Solution
The fourth proportional to 42,683,970.36, 58,845,340.44 and 26,995,175.40 is: 37,216,319.69
Step by Step Solution
- Step 1: Write the proportion equation
42,683,970.36 : 58,845,340.44 = 26,995,175.40 : x - Step 2: Convert to fraction form
42,683,970.36/58,845,340.44 = 26,995,175.40/x - Step 3: Cross multiply
42,683,970.36x = 58,845,340.44 × 26,995,175.40 - Step 4: Simplify right side
42,683,970.36x = 1,588,540,286,650,513 - Step 5: Solve for x
x = 1,588,540,286,650,513/42,683,970.36 - Step 6: Final answer
x = 37,216,319.69
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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.