Finding the Fourth Proportional to 39,997,178.18, 55,195,935.60 and 22,356,057.34
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Solution
The fourth proportional to 39,997,178.18, 55,195,935.60 and 22,356,057.34 is: 30,851,263.95
Step by Step Solution
- Step 1: Write the proportion equation
39,997,178.18 : 55,195,935.60 = 22,356,057.34 : x - Step 2: Convert to fraction form
39,997,178.18/55,195,935.60 = 22,356,057.34/x - Step 3: Cross multiply
39,997,178.18x = 55,195,935.60 × 22,356,057.34 - Step 4: Simplify right side
39,997,178.18x = 1,233,963,501,208,547.25 - Step 5: Solve for x
x = 1,233,963,501,208,547.25/39,997,178.18 - Step 6: Final answer
x = 30,851,263.95
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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.