Finding the Fourth Proportional to 47,294,829.18, 65,266,835.40 and 25,564,797.18
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Solution
The fourth proportional to 47,294,829.18, 65,266,835.40 and 25,564,797.18 is: 35,279,404.50
Step by Step Solution
- Step 1: Write the proportion equation
47,294,829.18 : 65,266,835.40 = 25,564,797.18 : x - Step 2: Convert to fraction form
47,294,829.18/65,266,835.40 = 25,564,797.18/x - Step 3: Cross multiply
47,294,829.18x = 65,266,835.40 × 25,564,797.18 - Step 4: Simplify right side
47,294,829.18x = 1,668,533,409,581,444 - Step 5: Solve for x
x = 1,668,533,409,581,444/47,294,829.18 - Step 6: Final answer
x = 35,279,404.50
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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.