Finding the Fourth Proportional to 26,153,621.88, 39,216,838.12 and 7,707,146.84
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Solution
The fourth proportional to 26,153,621.88, 39,216,838.12 and 7,707,146.84 is: 11,556,714.07
Step by Step Solution
- Step 1: Write the proportion equation
26,153,621.88 : 39,216,838.12 = 7,707,146.84 : x - Step 2: Convert to fraction form
26,153,621.88/39,216,838.12 = 7,707,146.84/x - Step 3: Cross multiply
26,153,621.88x = 39,216,838.12 × 7,707,146.84 - Step 4: Simplify right side
26,153,621.88x = 302,249,929,991,349.50 - Step 5: Solve for x
x = 302,249,929,991,349.50/26,153,621.88 - Step 6: Final answer
x = 11,556,714.07
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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.