Finding the Fourth Proportional to 48,655,918.98, 67,145,346.07 and 26,328,905.13
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Solution
The fourth proportional to 48,655,918.98, 67,145,346.07 and 26,328,905.13 is: 36,333,985.34
Step by Step Solution
- Step 1: Write the proportion equation
48,655,918.98 : 67,145,346.07 = 26,328,905.13 : x - Step 2: Convert to fraction form
48,655,918.98/67,145,346.07 = 26,328,905.13/x - Step 3: Cross multiply
48,655,918.98x = 67,145,346.07 × 26,328,905.13 - Step 4: Simplify right side
48,655,918.98x = 1,767,863,446,784,021 - Step 5: Solve for x
x = 1,767,863,446,784,021/48,655,918.98 - Step 6: Final answer
x = 36,333,985.34
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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.