Finding the Fourth Proportional to 7,488,246.90, 11,232,370.35 and 7,413,597.30
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Solution
The fourth proportional to 7,488,246.90, 11,232,370.35 and 7,413,597.30 is: 11,120,395.95
Step by Step Solution
- Step 1: Write the proportion equation
7,488,246.90 : 11,232,370.35 = 7,413,597.30 : x - Step 2: Convert to fraction form
7,488,246.90/11,232,370.35 = 7,413,597.30/x - Step 3: Cross multiply
7,488,246.90x = 11,232,370.35 × 7,413,597.30 - Step 4: Simplify right side
7,488,246.90x = 83,272,270,499,360.05 - Step 5: Solve for x
x = 83,272,270,499,360.05/7,488,246.90 - Step 6: Final answer
x = 11,120,395.95
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1.5x scale
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.