Finding the Fourth Proportional to 51,153,423.58, 70,590,890.37 and 27,948,051.10
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Solution
The fourth proportional to 51,153,423.58, 70,590,890.37 and 27,948,051.10 is: 38,567,854.76
Step by Step Solution
- Step 1: Write the proportion equation
51,153,423.58 : 70,590,890.37 = 27,948,051.10 : x - Step 2: Convert to fraction form
51,153,423.58/70,590,890.37 = 27,948,051.10/x - Step 3: Cross multiply
51,153,423.58x = 70,590,890.37 × 27,948,051.10 - Step 4: Simplify right side
51,153,423.58x = 1,972,877,811,255,258.25 - Step 5: Solve for x
x = 1,972,877,811,255,258.25/51,153,423.58 - Step 6: Final answer
x = 38,567,854.76
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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.