Finding the Fourth Proportional to 26,129,897.47, 39,192,313.54 and 7,934,252.58
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Solution
The fourth proportional to 26,129,897.47, 39,192,313.54 and 7,934,252.58 is: 11,900,609.84
Step by Step Solution
- Step 1: Write the proportion equation
26,129,897.47 : 39,192,313.54 = 7,934,252.58 : x - Step 2: Convert to fraction form
26,129,897.47/39,192,313.54 = 7,934,252.58/x - Step 3: Cross multiply
26,129,897.47x = 39,192,313.54 × 7,934,252.58 - Step 4: Simplify right side
26,129,897.47x = 310,961,714,938,730.31 - Step 5: Solve for x
x = 310,961,714,938,730.31/26,129,897.47 - Step 6: Final answer
x = 11,900,609.84
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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.