Finding the Fourth Proportional to 11,116,890.23, 15,337,811.36 and 6,221,334.47
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Solution
The fourth proportional to 11,116,890.23, 15,337,811.36 and 6,221,334.47 is: 8,583,484.46
Step by Step Solution
- Step 1: Write the proportion equation
11,116,890.23 : 15,337,811.36 = 6,221,334.47 : x - Step 2: Convert to fraction form
11,116,890.23/15,337,811.36 = 6,221,334.47/x - Step 3: Cross multiply
11,116,890.23x = 15,337,811.36 × 6,221,334.47 - Step 4: Simplify right side
11,116,890.23x = 95,421,654,447,189.86 - Step 5: Solve for x
x = 95,421,654,447,189.86/11,116,890.23 - Step 6: Final answer
x = 8,583,484.46
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1.5x scale
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.