Finding the Fourth Proportional to 19,930,829.80, 29,896,244.70 and 18,935,501.80
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Solution
The fourth proportional to 19,930,829.80, 29,896,244.70 and 18,935,501.80 is: 28,403,252.70
Step by Step Solution
- Step 1: Write the proportion equation
19,930,829.80 : 29,896,244.70 = 18,935,501.80 : x - Step 2: Convert to fraction form
19,930,829.80/29,896,244.70 = 18,935,501.80/x - Step 3: Cross multiply
19,930,829.80x = 29,896,244.70 × 18,935,501.80 - Step 4: Simplify right side
19,930,829.80x = 566,100,395,330,090.50 - Step 5: Solve for x
x = 566,100,395,330,090.50/19,930,829.80 - Step 6: Final answer
x = 28,403,252.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.