Finding the Fourth Proportional to 56,627,771.55, 84,927,854.35 and 15,686,147.40
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Solution
The fourth proportional to 56,627,771.55, 84,927,854.35 and 15,686,147.40 is: 23,525,397.61
Step by Step Solution
- Step 1: Write the proportion equation
56,627,771.55 : 84,927,854.35 = 15,686,147.40 : x - Step 2: Convert to fraction form
56,627,771.55/84,927,854.35 = 15,686,147.40/x - Step 3: Cross multiply
56,627,771.55x = 84,927,854.35 × 15,686,147.40 - Step 4: Simplify right side
56,627,771.55x = 1,332,190,841,699,831.25 - Step 5: Solve for x
x = 1,332,190,841,699,831.25/56,627,771.55 - Step 6: Final answer
x = 23,525,397.61
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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.