Finding the Fourth Proportional to 29,031,937.02, 40,064,070.71 and 15,801,208.70
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Solution
The fourth proportional to 29,031,937.02, 40,064,070.71 and 15,801,208.70 is: 21,805,666.70
Step by Step Solution
- Step 1: Write the proportion equation
29,031,937.02 : 40,064,070.71 = 15,801,208.70 : x - Step 2: Convert to fraction form
29,031,937.02/40,064,070.71 = 15,801,208.70/x - Step 3: Cross multiply
29,031,937.02x = 40,064,070.71 × 15,801,208.70 - Step 4: Simplify right side
29,031,937.02x = 633,060,742,380,940.75 - Step 5: Solve for x
x = 633,060,742,380,940.75/29,031,937.02 - Step 6: Final answer
x = 21,805,666.70
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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.