Finding the Fourth Proportional to 7,558,457.90, 11,337,695.73 and 1,878,682.21
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Solution
The fourth proportional to 7,558,457.90, 11,337,695.73 and 1,878,682.21 is: 2,818,025.52
Step by Step Solution
- Step 1: Write the proportion equation
7,558,457.90 : 11,337,695.73 = 1,878,682.21 : x - Step 2: Convert to fraction form
7,558,457.90/11,337,695.73 = 1,878,682.21/x - Step 3: Cross multiply
7,558,457.90x = 11,337,695.73 × 1,878,682.21 - Step 4: Simplify right side
7,558,457.90x = 21,299,927,236,714.99 - Step 5: Solve for x
x = 21,299,927,236,714.99/7,558,457.90 - Step 6: Final answer
x = 2,818,025.52
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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.