Finding the Fourth Proportional to 51,475,372.79, 71,035,739.64 and 27,953,703.90
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Solution
The fourth proportional to 51,475,372.79, 71,035,739.64 and 27,953,703.90 is: 38,575,962.15
Step by Step Solution
- Step 1: Write the proportion equation
51,475,372.79 : 71,035,739.64 = 27,953,703.90 : x - Step 2: Convert to fraction form
51,475,372.79/71,035,739.64 = 27,953,703.90/x - Step 3: Cross multiply
51,475,372.79x = 71,035,739.64 × 27,953,703.90 - Step 4: Simplify right side
51,475,372.79x = 1,985,712,032,214,052.50 - Step 5: Solve for x
x = 1,985,712,032,214,052.50/51,475,372.79 - Step 6: Final answer
x = 38,575,962.15
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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.